# What is CVE-2022-4574?

> CVE-2022-4574 is a medium-severity flaw (CVSS 6.7) in Thinkpad X13 Yoga Gen 2 Firmware from Lenovo, published on 30 October 2023. It is not on the list of flaws known to be exploited today. The latest forecast puts its chance of use in the next 30 days at 0.2%. If you run an affected version, plan in the vendor’s fix.

Canonical page: https://www.precursorintelligence.com/what-is/cve-2022-4574

## At a glance

- **Verdict:** Plan it in. No sign of exploitation and a low forecast. Patch it in your normal update cycle.
- **Precursor Intelligence risk score:** 29 out of 100 (Low); action: Monitor. Kept up to date as the evidence changes.
- **Severity:** Medium (CVSS 6.7 out of 10)
- **Known to be exploited:** No, not on the list of flaws known to be exploited today
- **Chance of use in the next 30 days:** 0.2% (latest exploit-likelihood forecast)
- **Published:** 30 October 2023
- **Record last updated:** 8 November 2023
- **Main product:** Thinkpad X13 Yoga Gen 2 Firmware from Lenovo
- **Affected products:** 108

## What is CVE-2022-4574? In plain terms

An attacker has to be already on the device with an administrator account, and nobody has to click anything. If it works, the attacker can read data, change data and take it offline.

### The official description

An SMI handler input validation vulnerability in the BIOS of some ThinkPad models could allow an attacker with local access and elevated privileges to execute arbitrary code.

### What kind of flaw is it?

- CWE-20: Improper Input Validation

### How an attack on it works

- Where an attacker can be: Already on the device
- How hard it is to pull off: Easy: no special conditions
- Login needed first: An administrator account
- Does someone have to click: No, nobody has to do anything
- What an attacker gets: Can read data, change data and take it offline

Severity vector: `CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`

## Is CVE-2022-4574 being exploited? Not that we know of

It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 0.2%. That can change at any time, which is why we keep watching.

Exploit likelihood over the last 7 days: 0.2%, 0.2%, 0.2%, 0.2%, 0.2%, 0.2%, 0.2%.

### Timeline

- 30 October 2023: Published
- 8 November 2023: Record last updated

### How Precursor Intelligence ranks it

CVE-2022-4574 scores **29 out of 100 (Low)**, with the action "Monitor".

Every published flaw gets a risk score from 0 to 100, kept up to date as the evidence changes. Four things go into the score, from the one that counts most to the ones that count less:

- Evidence it is being exploited: biggest factor
- How severe it is: strong factor
- How widely exposed it is: smaller factor
- Threat activity around it: smaller factor

85 and above is Critical. Anything confirmed as exploited is always marked for an emergency patch, whatever its score. When this flaw matches software you track, it lands in your list with its score and the reasons behind it.

## Who is affected by CVE-2022-4574?

The published record lists 108 products. Versions are as published: "before 1.40" means every version up to, but not including, 1.40.

- [Thinkpad X13 Yoga Gen 2 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_x13_yoga_gen_2_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.40
- [Thinkpad L14](https://www.precursorintelligence.com/product/lenovo/thinkpad_l14) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad L14 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_l14_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.20
- [Thinkpad L14 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_l14_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad L14 Gen 2 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_l14_gen_2_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Thinkpad L15](https://www.precursorintelligence.com/product/lenovo/thinkpad_l15) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad L15 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_l15_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.20
- [Thinkpad L15 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_l15_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad L15 Gen 2 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_l15_gen_2_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Thinkpad P1 Gen 3](https://www.precursorintelligence.com/product/lenovo/thinkpad_p1_gen_3) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P1 Gen 3 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_p1_gen_3_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.27
- [Thinkpad P1 Gen 4](https://www.precursorintelligence.com/product/lenovo/thinkpad_p1_gen_4) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P1 Gen 4 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_p1_gen_4_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): 1.22
- [Thinkpad P1 Gen 5](https://www.precursorintelligence.com/product/lenovo/thinkpad_p1_gen_5) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P1 Gen 5 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_p1_gen_5_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.16
- [Thinkpad P14s Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_p14s_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P14s Gen 1 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_p14s_gen_1_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.28
- [Thinkpad P14s Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_p14s_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P14s Gen 2 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_p14s_gen_2_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Thinkpad P14s Gen 3](https://www.precursorintelligence.com/product/lenovo/thinkpad_p14s_gen_3) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P14s Gen 3 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_p14s_gen_3_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.31
- [Thinkpad P15 Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_p15_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P15 Gen 1 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_p15_gen_1_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.32
- [Thinkpad P15 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_p15_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P15 Gen 2 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_p15_gen_2_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.25
- [Thinkpad P15s Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_p15s_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P15s Gen 1 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_p15s_gen_1_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.28
- [Thinkpad P15s Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_p15s_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P15s Gen 2 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_p15s_gen_2_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Thinkpad P15v Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_p15v_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P15v Gen 1 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_p15v_gen_1_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.32
- [Thinkpad P15v Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_p15v_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P15v Gen 2 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_p15v_gen_2_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.19
- [Thinkpad P15v Gen 3](https://www.precursorintelligence.com/product/lenovo/thinkpad_p15v_gen_3) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P15v Gen 3 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_p15v_gen_3_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.15
- [Thinkpad P16 Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_p16_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P16 Gen 1 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_p16_gen_1_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.17
- [Thinkpad P16s Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_p16s_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P16s Gen 1 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_p16s_gen_1_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.31
- [Thinkpad P17 Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_p17_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P17 Gen 1 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_p17_gen_1_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.32
- [Thinkpad P17 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_p17_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad P17 Gen 2 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_p17_gen_2_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.25
- [Thinkpad T14 Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_t14_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T14 Gen 1 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_t14_gen_1_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.28
- [Thinkpad T14 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_t14_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T14 Gen 2 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_t14_gen_2_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Thinkpad T14 Gen 3](https://www.precursorintelligence.com/product/lenovo/thinkpad_t14_gen_3) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T14 Gen 3 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_t14_gen_3_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.31
- [Thinkpad T14s](https://www.precursorintelligence.com/product/lenovo/thinkpad_t14s) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T14s Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_t14s_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.26
- [Thinkpad T14s Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_t14s_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T14s Gen 2 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_t14s_gen_2_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.51
- [Thinkpad T14s Gen 3](https://www.precursorintelligence.com/product/lenovo/thinkpad_t14s_gen_3) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T14s Gen 3 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_t14s_gen_3_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.33
- [Thinkpad T15 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_t15_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T15 Gen 2 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_t15_gen_2_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Thinkpad T15g Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_t15g_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T15g Gen 1 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_t15g_gen_1_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.32
- [Thinkpad T15g Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_t15g_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T15g Gen 2 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_t15g_gen_2_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.25
- [Thinkpad T15p Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_t15p_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T15p Gen 1 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_t15p_gen_1_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.32
- [Thinkpad T15p Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_t15p_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T15p Gen 2 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_t15p_gen_2_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.19
- [Thinkpad T15p Gen 3](https://www.precursorintelligence.com/product/lenovo/thinkpad_t15p_gen_3) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T15p Gen 3 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_t15p_gen_3_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.15
- [Thinkpad T16 Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_t16_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad T16 Gen 1 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_t16_gen_1_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.31
- [Thinkpad X1 Carbon 10th Gen](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_carbon_10th_gen) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Carbon 10th Gen Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_carbon_10th_gen_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.37
- [Thinkpad X1 Carbon 7th Gen](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_carbon_7th_gen) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Carbon 7th Gen Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_carbon_7th_gen_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.56
- [Thinkpad X1 Carbon 8th Gen](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_carbon_8th_gen) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Carbon 8th Gen Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_carbon_8th_gen_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.30
- [Thinkpad X1 Carbon 9th Gen](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_carbon_9th_gen) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Carbon 9th Gen Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_carbon_9th_gen_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.59
- [Thinkpad X1 Extreme 3rd Gen](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_extreme_3rd_gen) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Extreme 3rd Gen Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_extreme_3rd_gen_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.27
- [Thinkpad X1 Extreme 4th Gen](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_extreme_4th_gen) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Extreme 4th Gen Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_extreme_4th_gen_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.22
- [Thinkpad X1 Extreme Gen 5](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_extreme_gen_5) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Extreme Gen 5 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_extreme_gen_5_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.16
- [Thinkpad X1 Fold Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_fold_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Fold Gen 1 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_fold_gen_1_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): version not specified
- [Thinkpad X1 Nano Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_nano_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Nano Gen 1 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_nano_gen_1_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.55
- [Thinkpad X1 Nano Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_nano_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Nano Gen 2 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_nano_gen_2_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.18
- [Thinkpad X1 Titanium](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_titanium) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Titanium Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_titanium_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.24
- [Thinkpad X1 Yoga 4th Gen](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_yoga_4th_gen) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Yoga 4th Gen Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_yoga_4th_gen_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.56
- [Thinkpad X1 Yoga 5th Gen](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_yoga_5th_gen) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Yoga 5th Gen Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_yoga_5th_gen_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.30
- [Thinkpad X1 Yoga 6th Gen](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_yoga_6th_gen) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Yoga 6th Gen Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_yoga_6th_gen_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.59
- [Thinkpad X1 Yoga 7th Gen](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_yoga_7th_gen) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X1 Yoga 7th Gen Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_x1_yoga_7th_gen_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.37
- [Thinkpad X13](https://www.precursorintelligence.com/product/lenovo/thinkpad_x13) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X13 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_x13_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.26
- [Thinkpad X13 Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_x13_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X13 Gen 2 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_x13_gen_2_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.51
- [Thinkpad X13 Gen 3](https://www.precursorintelligence.com/product/lenovo/thinkpad_x13_gen_3) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X13 Gen 3 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_x13_gen_3_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.33
- [Thinkpad X13 Yoga Gen 1](https://www.precursorintelligence.com/product/lenovo/thinkpad_x13_yoga_gen_1) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkpad X13 Yoga Gen 1 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkpad_x13_yoga_gen_1_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before 1.45
- [Thinkpad X13 Yoga Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkpad_x13_yoga_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified

## How do I fix CVE-2022-4574?

1. **Check whether you run it.** Compare your versions with the affected products above. Not sure what you run? Precursor Intelligence can work it out from your public website, or you can pick it from a list.
2. **Apply the vendor’s fix.** Install the update named in the vendor’s advisory. We’ve put the advisory first in the list.
3. **If you can’t patch today.** Follow any mitigation the vendor publishes, and limit who can reach the affected system from the internet until the update is in.
4. **Keep an eye on it.** Track the product and we tell you as soon as we spot this flaw on the list of exploited flaws, or a jump in its exploit likelihood.

### References

- [support.lenovo.com](https://support.lenovo.com/us/en/product_security/LEN-106014) (Vendor advisory)

## Questions

### What is CVE-2022-4574?

CVE-2022-4574 is a medium-severity flaw in Thinkpad X13 Yoga Gen 2 Firmware from Lenovo, published on 30 October 2023. An attacker has to be already on the device with an administrator account, and nobody has to click anything. If it works, the attacker can read data, change data and take it offline.

### How serious is CVE-2022-4574?

It scores 6.7 out of 10 on the CVSS severity scale, which is medium. Our risk score for CVE-2022-4574 is 29 out of 100, which is Low. Its action is "Monitor". No sign of exploitation and a low forecast. Patch it in your normal update cycle.

### Is CVE-2022-4574 being exploited?

It is not on the list of flaws known to be exploited today. The latest forecast puts the chance of it being used in the next 30 days at 0.2%. That can change at any time, which is why we keep watching.

### Which versions does CVE-2022-4574 affect?

For Thinkpad X13 Yoga Gen 2 Firmware from Lenovo: before 1.40. The record lists 108 products in all, each with its versions, under "Who is affected" on this page.

### How do I fix CVE-2022-4574?

Install the update the vendor names in its advisory, linked first under "How do I fix" on this page. If you can't patch today, follow the vendor's mitigation and limit who can reach the affected system from the internet.

## Does CVE-2022-4574 affect you?

Precursor Intelligence keeps checking for you:

- **Tell us what you run.** Pick your software from a list, or let us work it out from your website.
- **We match it to every flaw.** Over 400,000 published flaws, checked against your list.
- **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it.
- **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools.

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