# CVE-2025-2884

## Summary

- **CVE ID:** CVE-2025-2884
- **Severity:** MEDIUM
- **CVSS Score:** 6.6 (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H)
- **CWE:** N/A
- **Published:** Jun 10, 2025
- **Last Modified:** Aug 11, 2026

## 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

## Affected Products

- Trusted Computing Group — TPM2.0 (0)

## References

- [CNA](https://trustedcomputinggroup.org/about/security/)
- [CNA](https://trustedcomputinggroup.org/wp-content/uploads/TPM2.0-Library-Spec-v1.83-Errata_v1_pub.pdf)
- [CNA](https://trustedcomputinggroup.org/wp-content/uploads/VRT0009-Advisory-FINAL.pdf)
- [CNA](https://github.com/stefanberger/libtpms/commit/04b2d8e9afc0a9b6bffe562a23e58c0de11532d1)
- [CNA](https://www.cve.org/CVERecord?id=CVE-2025-49133)
- [CVE](https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01209.html)
- [CVE](https://www.kb.cert.org/vuls/id/282450)
- [siemens-SADP](https://cert-portal.siemens.com/productcert/html/ssa-628843.html)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.25%
- **EPSS Percentile:** 16.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._