How severe is CVE-2023-25494?

CVE-2023-25494 has a CVSS 3.x base score of 6.7, 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 high, and availability high.

Is CVE-2023-25494 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.

How do I fix CVE-2023-25494?

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

Does CVE-2023-25494 have an EU (EUVD) identifier?

Yes. CVE-2023-25494 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-29449.

When was CVE-2023-25494 published?

CVE-2023-25494 was published on 2024-04-05 and last updated on 2026-06-17.

CVE-2023-25494

CVE-2023-25494 is a medium-severity vulnerability with a CVSS 3.x base score of 6.7. 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-125.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-29449
Weakness: CWE-125
Published: 2024-04-05
Last modified: 2026-06-17

Description

A potential vulnerability were reported in the BIOS of some Desktop, Smart Edge, and ThinkStation products that could allow a local attacker with elevated privileges to write to NVRAM variables.

Frequently asked questions

What is CVE-2023-25494?: A potential vulnerability were reported in the BIOS of some Desktop, Smart Edge, and ThinkStation products that could allow a local attacker with elevated privileges to write to NVRAM variables.
How severe is CVE-2023-25494?: CVE-2023-25494 has a CVSS 3.x base score of 6.7, 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 high, and availability high.
Is CVE-2023-25494 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.
How do I fix CVE-2023-25494?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-25494 have an EU (EUVD) identifier?: Yes. CVE-2023-25494 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-29449.
When was CVE-2023-25494 published?: CVE-2023-25494 was published on 2024-04-05 and last updated on 2026-06-17.

References

https://support.lenovo.com/us/en/product_security/LEN-141775

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