# What is CVE-2021-36285?

> CVE-2021-36285 is a medium-severity flaw (CVSS 4.4) in Latitude 5310 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-2021-36285

## 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:** 20 out of 100 (Low); action: Monitor. 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:** 4 October 2021
- **Main product:** Latitude 5310 2-in-1 Firmware from Dell
- **Affected products:** 42

## What is CVE-2021-36285? 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 an Improper Restriction of Excessive Authentication Attempts vulnerability. A local authenticated malicious administrator could exploit this vulnerability to bypass excessive NVMe password attempt mitigations in order to carry out a brute force attack.

### What kind of flaw is it?

- CWE-307: Improper Restriction of Excessive Authentication Attempts

### 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-2021-36285 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
- 4 October 2021: Record last updated

### How Precursor Intelligence ranks it

CVE-2021-36285 scores **20 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: 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-2021-36285?

The published record lists 42 products. Versions are as published: "before 1.7.0" means every version up to, but not including, 1.7.0.

- [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): before 1.7.0
- [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): version not specified
- [Latitude 5320](https://www.precursorintelligence.com/product/dell/latitude_5320) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 5320 Firmware](https://www.precursorintelligence.com/product/dell/latitude_5320_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.7.0
- [Latitude 5400](https://www.precursorintelligence.com/product/dell/latitude_5400) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 5400 Firmware](https://www.precursorintelligence.com/product/dell/latitude_5400_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.7.1
- [Latitude 5411](https://www.precursorintelligence.com/product/dell/latitude_5411) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 5411 Firmware](https://www.precursorintelligence.com/product/dell/latitude_5411_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.6.0
- [Latitude 5500](https://www.precursorintelligence.com/product/dell/latitude_5500) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 5500 Firmware](https://www.precursorintelligence.com/product/dell/latitude_5500_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.8.0
- [Latitude 5511](https://www.precursorintelligence.com/product/dell/latitude_5511) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 5511 Firmware](https://www.precursorintelligence.com/product/dell/latitude_5511_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.7.1
- [Latitude 5520](https://www.precursorintelligence.com/product/dell/latitude_5520) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 5520 Firmware](https://www.precursorintelligence.com/product/dell/latitude_5520_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.6.0
- [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 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 1.7.0
- [Latitude 7280](https://www.precursorintelligence.com/product/dell/latitude_7280) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 7280 Firmware](https://www.precursorintelligence.com/product/dell/latitude_7280_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.9.1
- [Latitude 7320](https://www.precursorintelligence.com/product/dell/latitude_7320) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 7320 Firmware](https://www.precursorintelligence.com/product/dell/latitude_7320_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 7370 Firmware](https://www.precursorintelligence.com/product/dell/latitude_7370_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.7.1
- [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 1.7.0
- [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 1.7.1
- [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 1.7.1
- [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 1.7.0
- [Latitude 9520](https://www.precursorintelligence.com/product/dell/latitude_9520) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Latitude 9520 Firmware](https://www.precursorintelligence.com/product/dell/latitude_9520_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.6.0
- [Optiplex 3080](https://www.precursorintelligence.com/product/dell/optiplex_3080) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Optiplex 3080 Firmware](https://www.precursorintelligence.com/product/dell/optiplex_3080_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.5.2
- [Optiplex 3280 Aio](https://www.precursorintelligence.com/product/dell/optiplex_3280_aio) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Optiplex 3280 Aio Firmware](https://www.precursorintelligence.com/product/dell/optiplex_3280_aio_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.2.0
- [Optiplex 7480 Aio](https://www.precursorintelligence.com/product/dell/optiplex_7480_aio) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Optiplex 7480 Aio Firmware](https://www.precursorintelligence.com/product/dell/optiplex_7480_aio_firmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.2.0
- [Precision 3551](https://www.precursorintelligence.com/product/dell/precision_3551) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Hardware): version not specified
- [Precision 3551 Ffirmware](https://www.precursorintelligence.com/product/dell/precision_3551_ffirmware) by [Dell](https://www.precursorintelligence.com/vendors/dell) (Operating system): before 1.6.2
- [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 1.7.1

## How do I fix CVE-2021-36285?

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-2021-36285?

CVE-2021-36285 is a medium-severity flaw in Latitude 5310 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-2021-36285?

It scores 4.4 out of 10 on the CVSS severity scale, which is medium. Our risk score for CVE-2021-36285 is 20 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-2021-36285 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-2021-36285 affect?

For Latitude 5310 2-in-1 Firmware from Dell: before 1.7.0. The record lists 42 products in all, each with its versions, under "Who is affected" on this page.

### How do I fix CVE-2021-36285?

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-2021-36285 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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