How severe is CVE-2022-34657?

CVE-2022-34657 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-34657 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-34657?

CVE-2022-34657 affects Intel Pcsd Bios. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-34657?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-34657 published?

CVE-2022-34657 was published on 2023-08-11 and last updated on 2026-06-17.

CVE-2022-34657

CVE-2022-34657 is a medium-severity vulnerability in Intel Pcsd Bios with a CVSS 3.x base score of 6.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.0)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Intel Pcsd Bios
Published: 2023-08-11
Last modified: 2026-06-17

Description

Improper input validation in firmware for some Intel(R) PCSD BIOS before version 02.01.0013 may allow a privileged user to potentially enable information disclosure via local access.

Frequently asked questions

What is CVE-2022-34657?: Improper input validation in firmware for some Intel(R) PCSD BIOS before version 02.01.0013 may allow a privileged user to potentially enable information disclosure via local access.
How severe is CVE-2022-34657?: CVE-2022-34657 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-34657 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-34657?: CVE-2022-34657 affects Intel Pcsd Bios. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-34657?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-34657 published?: CVE-2022-34657 was published on 2023-08-11 and last updated on 2026-06-17.

References

http://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00742.html

Affected products (1)

cpe:2.3:o:intel:pcsd_bios:*:*:*:*:*:*:*:*

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