# What is CVE-2022-35729?

> CVE-2022-35729 is a high-severity flaw (CVSS 7.5) in Openbmc from Openbmc-Project, published on 16 February 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 0.7%. If you run an affected version, plan in the vendor’s fix.

Canonical page: https://www.precursorintelligence.com/what-is/cve-2022-35729

## 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:** 47 out of 100 (Medium); action: Plan remediation. Kept up to date as the evidence changes.
- **Severity:** High (CVSS 7.5 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:** 0.7% (latest exploit-likelihood forecast)
- **Published:** 16 February 2023
- **Record last updated:** 6 March 2023
- **Main product:** Openbmc from Openbmc-Project
- **Affected products:** 58

## What is CVE-2022-35729? In plain terms

It can be attacked from anywhere on the internet without logging in, and nobody has to click anything. If it works, the attacker can take it offline.

### The official description

Out of bounds read in firmware for OpenBMC in some Intel(R) platforms before version 0.72 may allow unauthenticated user to potentially enable denial of service via network access.

### What kind of flaw is it?

- CWE-125: Out-of-bounds Read

### How an attack on it works

- Where an attacker can be: Anywhere on the internet
- How hard it is to pull off: Easy: no special conditions
- Login needed first: No login needed
- Does someone have to click: No, nobody has to do anything
- What an attacker gets: Can take it offline

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

## Is CVE-2022-35729 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 0.7%. That can change at any time, which is why we keep watching.

Exploit likelihood over the last 7 days: 0.7%, 0.7%, 0.7%, 0.7%, 0.7%, 0.7%, 0.7%.

### Timeline

- 16 February 2023: Published
- 6 March 2023: Record last updated

### How Precursor Intelligence ranks it

CVE-2022-35729 scores **47 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-2022-35729?

The published record lists 58 products. Versions are as published: "before 0.72" means every version up to, but not including, 0.72.

- [Openbmc](https://www.precursorintelligence.com/product/openbmc-project/openbmc) by [Openbmc-Project](https://www.precursorintelligence.com/vendors/openbmc-project) (Application): before 0.72
- [C621a](https://www.precursorintelligence.com/product/intel/c621a) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [C624a](https://www.precursorintelligence.com/product/intel/c624a) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [C627a](https://www.precursorintelligence.com/product/intel/c627a) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [C629a](https://www.precursorintelligence.com/product/intel/c629a) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 5315y](https://www.precursorintelligence.com/product/intel/xeon_gold_5315y) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 5317](https://www.precursorintelligence.com/product/intel/xeon_gold_5317) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 5318h](https://www.precursorintelligence.com/product/intel/xeon_gold_5318h) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 5318n](https://www.precursorintelligence.com/product/intel/xeon_gold_5318n) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 5318s](https://www.precursorintelligence.com/product/intel/xeon_gold_5318s) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 5318y](https://www.precursorintelligence.com/product/intel/xeon_gold_5318y) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 5320](https://www.precursorintelligence.com/product/intel/xeon_gold_5320) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 5320h](https://www.precursorintelligence.com/product/intel/xeon_gold_5320h) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 5320t](https://www.precursorintelligence.com/product/intel/xeon_gold_5320t) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 6312u](https://www.precursorintelligence.com/product/intel/xeon_gold_6312u) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 6314u](https://www.precursorintelligence.com/product/intel/xeon_gold_6314u) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 6326](https://www.precursorintelligence.com/product/intel/xeon_gold_6326) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 6328h](https://www.precursorintelligence.com/product/intel/xeon_gold_6328h) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 6328hl](https://www.precursorintelligence.com/product/intel/xeon_gold_6328hl) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 6330](https://www.precursorintelligence.com/product/intel/xeon_gold_6330) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 6330h](https://www.precursorintelligence.com/product/intel/xeon_gold_6330h) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 6330n](https://www.precursorintelligence.com/product/intel/xeon_gold_6330n) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 6334](https://www.precursorintelligence.com/product/intel/xeon_gold_6334) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 6336y](https://www.precursorintelligence.com/product/intel/xeon_gold_6336y) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 6338](https://www.precursorintelligence.com/product/intel/xeon_gold_6338) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 6338n](https://www.precursorintelligence.com/product/intel/xeon_gold_6338n) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 6338t](https://www.precursorintelligence.com/product/intel/xeon_gold_6338t) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 6342](https://www.precursorintelligence.com/product/intel/xeon_gold_6342) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 6346](https://www.precursorintelligence.com/product/intel/xeon_gold_6346) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 6348](https://www.precursorintelligence.com/product/intel/xeon_gold_6348) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 6348h](https://www.precursorintelligence.com/product/intel/xeon_gold_6348h) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Gold 6354](https://www.precursorintelligence.com/product/intel/xeon_gold_6354) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Platinum 8351n](https://www.precursorintelligence.com/product/intel/xeon_platinum_8351n) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Platinum 8352m](https://www.precursorintelligence.com/product/intel/xeon_platinum_8352m) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Platinum 8352s](https://www.precursorintelligence.com/product/intel/xeon_platinum_8352s) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Platinum 8352v](https://www.precursorintelligence.com/product/intel/xeon_platinum_8352v) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Platinum 8352y](https://www.precursorintelligence.com/product/intel/xeon_platinum_8352y) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Platinum 8353h](https://www.precursorintelligence.com/product/intel/xeon_platinum_8353h) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Platinum 8354h](https://www.precursorintelligence.com/product/intel/xeon_platinum_8354h) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Platinum 8356h](https://www.precursorintelligence.com/product/intel/xeon_platinum_8356h) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Platinum 8358](https://www.precursorintelligence.com/product/intel/xeon_platinum_8358) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Platinum 8358p](https://www.precursorintelligence.com/product/intel/xeon_platinum_8358p) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Platinum 8360h](https://www.precursorintelligence.com/product/intel/xeon_platinum_8360h) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Platinum 8360hl](https://www.precursorintelligence.com/product/intel/xeon_platinum_8360hl) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Platinum 8360y](https://www.precursorintelligence.com/product/intel/xeon_platinum_8360y) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Platinum 8362](https://www.precursorintelligence.com/product/intel/xeon_platinum_8362) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Platinum 8368](https://www.precursorintelligence.com/product/intel/xeon_platinum_8368) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Platinum 8368q](https://www.precursorintelligence.com/product/intel/xeon_platinum_8368q) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Platinum 8376h](https://www.precursorintelligence.com/product/intel/xeon_platinum_8376h) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Platinum 8376hl](https://www.precursorintelligence.com/product/intel/xeon_platinum_8376hl) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Platinum 8380](https://www.precursorintelligence.com/product/intel/xeon_platinum_8380) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Platinum 8380h](https://www.precursorintelligence.com/product/intel/xeon_platinum_8380h) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Platinum 8380hl](https://www.precursorintelligence.com/product/intel/xeon_platinum_8380hl) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Silver 4309y](https://www.precursorintelligence.com/product/intel/xeon_silver_4309y) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Silver 4310](https://www.precursorintelligence.com/product/intel/xeon_silver_4310) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Silver 4310t](https://www.precursorintelligence.com/product/intel/xeon_silver_4310t) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Silver 4314](https://www.precursorintelligence.com/product/intel/xeon_silver_4314) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified
- [Xeon Silver 4316](https://www.precursorintelligence.com/product/intel/xeon_silver_4316) by [Intel](https://www.precursorintelligence.com/vendors/intel) (Hardware): version not specified

## How do I fix CVE-2022-35729?

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

- [intel.com](http://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00737.html) (Vendor advisory)

## Questions

### What is CVE-2022-35729?

CVE-2022-35729 is a high-severity flaw in Openbmc from Openbmc-Project, published on 16 February 2023. It can be attacked from anywhere on the internet without logging in, and nobody has to click anything. If it works, the attacker can take it offline.

### How serious is CVE-2022-35729?

It scores 7.5 out of 10 on the CVSS severity scale, which is high. Our risk score for CVE-2022-35729 is 47 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-2022-35729 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 0.7%. That can change at any time, which is why we keep watching.

### Which versions does CVE-2022-35729 affect?

For Openbmc from Openbmc-Project: before 0.72. The record lists 58 products in all, each with its versions, under "Who is affected" on this page.

### How do I fix CVE-2022-35729?

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-2022-35729 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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