CVE-2025-2884
CVE-2025-2884 is a medium-severity vulnerability with a CVSS 3.x base score of 6.6. 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 6.6)
- EPSS exploit prediction: 0% (10th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-17717
- Weakness: CWE-125
- Published:
- Last modified:
Description
TCG TPM2.0 Reference implementation's CryptHmacSign helper function is vulnerable to Out-of-Bounds read due to the lack of validation the signature scheme with the signature key's algorithm. See Errata Revision 1.83 and advisory TCGVRT0009 for TCG standard TPM2.0
Frequently asked questions
- What is CVE-2025-2884?
- TCG TPM2.0 Reference implementation's CryptHmacSign helper function is vulnerable to Out-of-Bounds read due to the lack of validation the signature scheme with the signature key's algorithm. See Errata Revision 1.83 and advisory TCGVRT0009 for TCG standard TPM2.0
- How severe is CVE-2025-2884?
- CVE-2025-2884 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability high.
- Is CVE-2025-2884 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-2884?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-2884 have an EU (EUVD) identifier?
- Yes. CVE-2025-2884 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-17717.
- When was CVE-2025-2884 published?
- CVE-2025-2884 was published on 2025-06-10 and last updated on 2026-06-17.
References
- https://github.com/stefanberger/libtpms/commit/04b2d8e9afc0a9b6bffe562a23e58c0de11532d1
- https://trustedcomputinggroup.org/about/security/
- https://trustedcomputinggroup.org/wp-content/uploads/TPM2.0-Library-Spec-v1.83-Errata_v1_pub.pdf
- https://trustedcomputinggroup.org/wp-content/uploads/VRT0009-Advisory-FINAL.pdf
- https://www.cve.org/CVERecord?id=CVE-2025-49133
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01209.html
- https://www.kb.cert.org/vuls/id/282450
- https://cert-portal.siemens.com/productcert/html/ssa-628843.html
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