CVE-2024-0171 — Dell PowerEdge Server BIOS contains an TOCTOU race condition vulnerability

Dell PowerEdge Server BIOS contains an TOCTOU race condition vulnerability. A local low privileged attacker could potentially exploit this vulnerability to gain access to otherwise unauthorized resources.

01What is this vulnerability?

Dell PowerEdge Server BIOS contains an TOCTOU race condition vulnerability. A local low privileged attacker could potentially exploit this vulnerability to gain access to otherwise unauthorized resources.

02Affected products

Vendor	Product	Versions
Dell	PowerEdge Platform	N/A, N/A

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-06-25T15:30:42.589Z
• Last modified: 2024-08-01T17:41:15.984Z

09References

• www.dell.com — https://www.dell.com/support/kbdoc/en-us/000226253/dsa-2024-039-security-update-…