Vulnerability Details : CVE-2022-27540
A potential Time-of-Check to Time-of Use (TOCTOU) vulnerability has been identified in the HP BIOS for certain HP PC products, which might allow arbitrary code execution, denial of service, and information disclosure. HP is releasing BIOS updates to mitigate the potential vulnerability.
Vulnerability category: Denial of serviceInformation leak
Products affected by CVE-2022-27540
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Exploit prediction scoring system (EPSS) score for CVE-2022-27540
0.02%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 4 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-27540
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |
1.1
|
6.0
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2024-08-22 |
CWE ids for CVE-2022-27540
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The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
References for CVE-2022-27540
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https://support.hp.com/us-en/document/ish_10810714-10810745-16/hpsbhf03948
HP PC BIOS Additional Security Update for TOCTOU | HP® Support
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