# What is CVE-2022-48188?

> CVE-2022-48188 is a high-severity flaw (CVSS 7.8) in Ideacentre Aio 3 21itl7 Firmware from Lenovo, published on 5 June 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-2022-48188

## 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:** 46 out of 100 (Medium); action: Plan remediation. Kept up to date as the evidence changes.
- **Severity:** High (CVSS 7.8 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:** 5 June 2023
- **Record last updated:** 13 June 2023
- **Main product:** Ideacentre Aio 3 21itl7 Firmware from Lenovo
- **Affected products:** 54

## What is CVE-2022-48188? In plain terms

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

### The official description

A buffer overflow vulnerability in the SecureBootDXE BIOS driver of some Lenovo Desktop and ThinkStation models could allow an attacker with local access to elevate their privileges to execute arbitrary code.

### What kind of flaw is it?

- CWE-787: Out-of-bounds Write

### 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 ordinary user 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:L/UI:N/S:U/C:H/I:H/A:H`

## Is CVE-2022-48188 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

- 5 June 2023: Published
- 13 June 2023: Record last updated

### How Precursor Intelligence ranks it

CVE-2022-48188 scores **46 out of 100 (Medium)**, with the action "Plan remediation".

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-2022-48188?

The published record lists 54 products. Versions are as published: "before o5akt33" means every version up to, but not including, o5akt33.

- [Ideacentre Aio 3 21itl7 Firmware](https://www.precursorintelligence.com/product/lenovo/ideacentre_aio_3_21itl7_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before o5akt33
- [Ideacentre 510s-07icb Firmware](https://www.precursorintelligence.com/product/lenovo/ideacentre_510s-07icb_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before m22kt48a, before m22kt49a
- [Ideacentre 510s-07ick Firmware](https://www.precursorintelligence.com/product/lenovo/ideacentre_510s-07ick_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before m30kt28a, before m1zkt40a
- [Thinkcentre M75s Gen 2 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m75s_gen_2_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before m46kt30a, before m3bkt30a
- [Thinkcentre M75t Gen 2 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m75t_gen_2_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before m46kt30a, before m3akt4ca
- [Ideacentre 510s-07icb](https://www.precursorintelligence.com/product/lenovo/ideacentre_510s-07icb) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Ideacentre 510s-07ick](https://www.precursorintelligence.com/product/lenovo/ideacentre_510s-07ick) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Ideacentre 720-18apr](https://www.precursorintelligence.com/product/lenovo/ideacentre_720-18apr) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Ideacentre 720-18apr Firmware](https://www.precursorintelligence.com/product/lenovo/ideacentre_720-18apr_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before m25kt63a
- [Ideacentre Aio 3 21itl7](https://www.precursorintelligence.com/product/lenovo/ideacentre_aio_3_21itl7) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Ideacentre Aio 3-22itl6](https://www.precursorintelligence.com/product/lenovo/ideacentre_aio_3-22itl6) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Ideacentre Aio 3-22itl6 Firmware](https://www.precursorintelligence.com/product/lenovo/ideacentre_aio_3-22itl6_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before o5akt33
- [Ideacentre Aio 3-24itl6](https://www.precursorintelligence.com/product/lenovo/ideacentre_aio_3-24itl6) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Ideacentre Aio 3-24itl6 Firmware](https://www.precursorintelligence.com/product/lenovo/ideacentre_aio_3-24itl6_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before o5akt33
- [Ideacentre Aio 3-27itl6](https://www.precursorintelligence.com/product/lenovo/ideacentre_aio_3-27itl6) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Ideacentre Aio 3-27itl6 Firmware](https://www.precursorintelligence.com/product/lenovo/ideacentre_aio_3-27itl6_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before o5akt33
- [Thinkcentre M720e](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m720e) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M720e Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m720e_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before m1zkt40a
- [Thinkcentre M720q](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m720q) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M720q Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m720q_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before m1ukt70a
- [Thinkcentre M720s](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m720s) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M720s Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m720s_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before m1ukt70a
- [Thinkcentre M720t](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m720t) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M720t Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m720t_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before m1ukt70a
- [Thinkcentre M725s](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m725s) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M725s Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m725s_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before m25kt63a
- [Thinkcentre M75s Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m75s_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M75t Gen 2](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m75t_gen_2) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M920q](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m920q) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M920q Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m920q_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before m1ukt70a
- [Thinkcentre M920s](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m920s) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M920s Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m920s_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before m1ukt70a
- [Thinkcentre M920t](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m920t) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M920t Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m920t_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before m1ukt70a
- [Thinkcentre M920x](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m920x) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M920x Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m920x_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before m1ukt70a
- [Thinkcentre M920z](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m920z) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkcentre M920z Firmware](https://www.precursorintelligence.com/product/lenovo/thinkcentre_m920z_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before m1mkt55a
- [Thinkstation P330 Tiny](https://www.precursorintelligence.com/product/lenovo/thinkstation_p330_tiny) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkstation P330 Tiny Firmware](https://www.precursorintelligence.com/product/lenovo/thinkstation_p330_tiny_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before m1ukt70a
- [Thinkstation P360 Ultra](https://www.precursorintelligence.com/product/lenovo/thinkstation_p360_ultra) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkstation P360 Ultra Firmware](https://www.precursorintelligence.com/product/lenovo/thinkstation_p360_ultra_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before s0fkt27a
- [Thinkstation P520](https://www.precursorintelligence.com/product/lenovo/thinkstation_p520) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkstation P520 Firmware](https://www.precursorintelligence.com/product/lenovo/thinkstation_p520_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before s03kt58a
- [Thinkstation P520c](https://www.precursorintelligence.com/product/lenovo/thinkstation_p520c) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [Thinkstation P520c Firmware](https://www.precursorintelligence.com/product/lenovo/thinkstation_p520c_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before s03kt58a
- [V30a-22itl](https://www.precursorintelligence.com/product/lenovo/v30a-22itl) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [V30a-22itl Firmware](https://www.precursorintelligence.com/product/lenovo/v30a-22itl_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before o5akt33
- [V30a-24itl](https://www.precursorintelligence.com/product/lenovo/v30a-24itl) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [V30a-24itl Firmware](https://www.precursorintelligence.com/product/lenovo/v30a-24itl_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before o5akt33
- [V530s-07icb](https://www.precursorintelligence.com/product/lenovo/v530s-07icb) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [V530s-07icb Firmware](https://www.precursorintelligence.com/product/lenovo/v530s-07icb_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before m22kt49a
- [V530s-07icr](https://www.precursorintelligence.com/product/lenovo/v530s-07icr) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Hardware): version not specified
- [V530s-07icr Firmware](https://www.precursorintelligence.com/product/lenovo/v530s-07icr_firmware) by [Lenovo](https://www.precursorintelligence.com/vendors/lenovo) (Operating system): before m1zkt40a

## How do I fix CVE-2022-48188?

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-124495) (Vendor advisory)

## Questions

### What is CVE-2022-48188?

CVE-2022-48188 is a high-severity flaw in Ideacentre Aio 3 21itl7 Firmware from Lenovo, published on 5 June 2023. An attacker has to be already on the device with an ordinary user 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-2022-48188?

It scores 7.8 out of 10 on the CVSS severity scale, which is high. Our risk score for CVE-2022-48188 is 46 out of 100, which is Medium. Its action is "Plan remediation". No sign of exploitation and a low forecast. Patch it in your normal update cycle.

### Is CVE-2022-48188 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-2022-48188 affect?

For Ideacentre Aio 3 21itl7 Firmware from Lenovo: before o5akt33. The record lists 54 products in all, each with its versions, under "Who is affected" on this page.

### How do I fix CVE-2022-48188?

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-2022-48188 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.

Start free (no card, nothing to install): https://www.precursorintelligence.com/register
Book a demo: https://www.precursorintelligence.com/contact