CVE-2025-2884: Trusted Computing Group TPM2.0 · Out-of-bounds Read
Affects Trusted Computing Group TPM2.0Source CVE Database V5
Not known to be exploited · CVSS 6.6 Medium : upgrade to 1.83 when convenient.
Data as of 3 Nov 2026, 22:57 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 17% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 1.83
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 10 Jun 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.
What to do
Upgrade Trusted Computing Group TPM2.0 to 1.83.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Trusted Computing GroupTPM2.0 | Affected
| Fixed in
|
AI-suggested
A fix is available in version 1.83 of the TPM2.0 reference implementation. Users and vendors should upgrade to version 1.83 or later to remediate this vulnerability. No additional mitigations are specified in the vendor advisory.
Description
CVE-2025-2884 is an out-of-bounds read vulnerability in the Trusted Computing Group TPM2.0 reference implementation. It occurs in the CryptHmacSign helper function due to missing validation between the signature scheme and the signature key's algorithm. This flaw affects versions prior to 1.83 and has been fixed in version 1.83. The vulnerability has a medium severity with a CVSS score of 6.6, impacting confidentiality and availability but not integrity.
Reports on CVE-2025-2884
References
- trustedcomputinggroup.org/about/security/ (opens in a new tab)
- trustedcomputinggroup.org/wp-content/uploads/TPM2.0-Library-Spec-v1.83-Errata_v1_pub.pdf (opens in a new tab)
- trustedcomputinggroup.org/wp-content/uploads/VRT0009-Advisory-FINAL.pdf (opens in a new tab)
- github.com/stefanberger/libtpms/commit/04b2d8e9afc0a9b6bffe562a23e58c0de11532d1 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2025-49133 (opens in a new tab)
- intel.com/content/www/us/en/security-center/advisory/intel-sa-01209.html (opens in a new tab)
- kb.cert.org/vuls/id/282450 (opens in a new tab)
- cert-portal.siemens.com/productcert/html/ssa-628843.html (opens in a new tab)