# What is CVE-2021-21522?

> CVE-2021-21522 is a medium-severity flaw (CVSS 4.4) in Latitude 5285 2-in-1 Firmware from Dell, published on 28 September 2021. 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-2021-21522

## 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:** Medium (CVSS 4.4 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:** 28 September 2021
- **Record last updated:** 30 June 2023
- **Main product:** Latitude 5285 2-in-1 Firmware from Dell
- **Affected products:** 56

## What is CVE-2021-21522? 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.

### The official description

Dell BIOS contains a Credentials Management issue. A local authenticated malicious user may potentially exploit this vulnerability to gain access to sensitive information on an NVMe storage by resetting the BIOS password on the system via the Manageability Interface.

### What kind of flaw is it?

- Unknown: Unknown
- Unknown: Unknown

### 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

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

## Is CVE-2021-21522 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

- 28 September 2021: Published
- 30 June 2023: Record last updated

### How Precursor Intelligence ranks it

CVE-2021-21522 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: key context
- Real threat activity around it: key context

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-2021-21522?

The published record lists 56 products. Versions are as published: "before 1.13.0" means every version up to, but not including, 1.13.0.

- [Latitude 5285 2-in-1 Firmware](https://www.precursorintelligence.com/product/dell/latitude_5285_2-in-1_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.13.0
- [Latitude 7212 Rugged Extreme Tablet Firmware](https://www.precursorintelligence.com/product/dell/latitude_7212_rugged_extreme_tablet_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.33.0, 1.33.0
- [Latitude 7280 Firmware](https://www.precursorintelligence.com/product/dell/latitude_7280_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.21.1, 1.21.1
- [Latitude 7285 Firmware](https://www.precursorintelligence.com/product/dell/latitude_7285_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.11.0, 1.11.0
- [Latitude 7290 Firmware](https://www.precursorintelligence.com/product/dell/latitude_7290_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.20.0, 1.20.0
- [Latitude 7370 Firmware](https://www.precursorintelligence.com/product/dell/latitude_7370_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.24.3, 1.24.3
- [Latitude 5285 2-in-1](https://www.precursorintelligence.com/product/dell/latitude_5285_2-in-1) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): all versions
- [Latitude 5289 2-in-1](https://www.precursorintelligence.com/product/dell/latitude_5289_2-in-1) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): all versions
- [Latitude 5289 2-in-1 Firmware](https://www.precursorintelligence.com/product/dell/latitude_5289_2-in-1_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.23.1
- [Latitude 5290 2-in-1](https://www.precursorintelligence.com/product/dell/latitude_5290_2-in-1) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): all versions
- [Latitude 5290 2-in-1 Firmware](https://www.precursorintelligence.com/product/dell/latitude_5290_2-in-1_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.16.0
- [Latitude 5310 2-in-1](https://www.precursorintelligence.com/product/dell/latitude_5310_2-in-1) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): all versions
- [Latitude 5310 2-in-1 Firmware](https://www.precursorintelligence.com/product/dell/latitude_5310_2-in-1_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): 1.7.0
- [Latitude 7210 2-in-1](https://www.precursorintelligence.com/product/dell/latitude_7210_2-in-1) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 7210 2-in-1 Firmware](https://www.precursorintelligence.com/product/dell/latitude_7210_2-in-1_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.7.0
- [Latitude 7212 Rugged Extreme Tablet](https://www.precursorintelligence.com/product/dell/latitude_7212_rugged_extreme_tablet) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 7280](https://www.precursorintelligence.com/product/dell/latitude_7280) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 7285](https://www.precursorintelligence.com/product/dell/latitude_7285) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 7290](https://www.precursorintelligence.com/product/dell/latitude_7290) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 7310](https://www.precursorintelligence.com/product/dell/latitude_7310) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 7310 Firmware](https://www.precursorintelligence.com/product/dell/latitude_7310_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.7.0
- [Latitude 7370](https://www.precursorintelligence.com/product/dell/latitude_7370) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 7380](https://www.precursorintelligence.com/product/dell/latitude_7380) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 7380 Firmware](https://www.precursorintelligence.com/product/dell/latitude_7380_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): 1.21.1
- [Latitude 7389](https://www.precursorintelligence.com/product/dell/latitude_7389) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 7389 Firmware](https://www.precursorintelligence.com/product/dell/latitude_7389_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.23.1
- [Latitude 7390](https://www.precursorintelligence.com/product/dell/latitude_7390) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 7390 2-in-1](https://www.precursorintelligence.com/product/dell/latitude_7390_2-in-1) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 7390 2-in-1 Firmware](https://www.precursorintelligence.com/product/dell/latitude_7390_2-in-1_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.19.0
- [Latitude 7390 Firmware](https://www.precursorintelligence.com/product/dell/latitude_7390_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): 1.20.0
- [Latitude 7410](https://www.precursorintelligence.com/product/dell/latitude_7410) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 7410 Firmware](https://www.precursorintelligence.com/product/dell/latitude_7410_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.7.0
- [Latitude 7420](https://www.precursorintelligence.com/product/dell/latitude_7420) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 7420 Firmware](https://www.precursorintelligence.com/product/dell/latitude_7420_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.7.1
- [Latitude 7480](https://www.precursorintelligence.com/product/dell/latitude_7480) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 7480 Firmware](https://www.precursorintelligence.com/product/dell/latitude_7480_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.21.1
- [Latitude 7490](https://www.precursorintelligence.com/product/dell/latitude_7490) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 7490 Firmware](https://www.precursorintelligence.com/product/dell/latitude_7490_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.20.1
- [Latitude 9410](https://www.precursorintelligence.com/product/dell/latitude_9410) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 9410 Firmware](https://www.precursorintelligence.com/product/dell/latitude_9410_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.7.0
- [Latitude 9510](https://www.precursorintelligence.com/product/dell/latitude_9510) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 9510 Firmware](https://www.precursorintelligence.com/product/dell/latitude_9510_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.6.0
- [Precision 3640 Tower](https://www.precursorintelligence.com/product/dell/precision_3640_tower) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Precision 3640 Tower Firmware](https://www.precursorintelligence.com/product/dell/precision_3640_tower_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.6.2
- [Precision 5510](https://www.precursorintelligence.com/product/dell/precision_5510) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Precision 5510 Firmware](https://www.precursorintelligence.com/product/dell/precision_5510_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.17.0
- [Precision 5520](https://www.precursorintelligence.com/product/dell/precision_5520) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Precision 5520 Firmware](https://www.precursorintelligence.com/product/dell/precision_5520_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.23.1
- [Precision 5530 2-in-1](https://www.precursorintelligence.com/product/dell/precision_5530_2-in-1) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Precision 5530 2-in-1 Firmware](https://www.precursorintelligence.com/product/dell/precision_5530_2-in-1_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.14.10
- [Xps 13 9360](https://www.precursorintelligence.com/product/dell/xps_13_9360) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Xps 13 9360 Firmware](https://www.precursorintelligence.com/product/dell/xps_13_9360_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 2.16.0
- [Xps 13 9370](https://www.precursorintelligence.com/product/dell/xps_13_9370) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Xps 13 9370 Firmware](https://www.precursorintelligence.com/product/dell/xps_13_9370_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.15.0
- [Xps 15 9575 2-in-1](https://www.precursorintelligence.com/product/dell/xps_15_9575_2-in-1) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Xps 15 9575 2-in-1 Firmware](https://www.precursorintelligence.com/product/dell/xps_15_9575_2-in-1_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.16.2

## How do I fix CVE-2021-21522?

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

- [dell.com](https://www.dell.com/support/kbdoc/000191495) (Vendor advisory)

## Questions

### What is CVE-2021-21522?

CVE-2021-21522 is a medium-severity flaw in Latitude 5285 2-in-1 Firmware from Dell, published on 28 September 2021. 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.

### How serious is CVE-2021-21522?

It scores 4.4 out of 10 on the CVSS severity scale, which is medium. Our risk score for CVE-2021-21522 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-2021-21522 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-2021-21522 affect?

For Latitude 5285 2-in-1 Firmware from Dell: before 1.13.0. The record lists 56 products in all, each with its versions, under "Who is affected" on this page.

### How do I fix CVE-2021-21522?

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-2021-21522 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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