Medium severity · published Jun 10, 2025
CVE-2025-2884
Out-of-Bounds read vulnerability in TCG TPM2.0 reference implementation
6.6
CVSS
0.3%
EPSS
No
On KEV
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
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TP
TPM2.0 · Trusted Computing Group
before 1.83 · source: vendor
SC
SIMATIC CN 4100 · Siemens
0 · source: CISA
SF
SIMATIC Field PG M5 · Siemens
0 · source: CISA
SF
SIMATIC Field PG M6 · Siemens
before V26.01.14 · source: CISA
SI
SIMATIC IPC BX-32A · Siemens
before V29.01.09 · source: CISA
SI
SIMATIC IPC BX-39A · Siemens
before V29.01.09 · source: CISA
SI
SIMATIC IPC BX-56A · Siemens
before V32.01.09 · source: CISA
SI
SIMATIC IPC BX-59A · Siemens
before V32.01.09 · source: CISA
SI
SIMATIC IPC MD-57A · Siemens
before V30.01.10 · source: CISA
SI
SIMATIC IPC PX-32A · Siemens
before V29.01.09 · source: CISA
SI
SIMATIC IPC PX-39A · Siemens
before V29.01.09 · source: CISA
SI
SIMATIC IPC PX-39A PRO · Siemens
before V29.01.09 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-2884
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-2884
github.com
https://github.com/stefanberger/libtpms/commit/04b2d8e9afc0a9b6bffe562a23e58c0de11532d1
trustedcomputinggroup.org
https://trustedcomputinggroup.org/about/security/
trustedcomputinggroup.org
https://trustedcomputinggroup.org/wp-content/uploads/TPM2.0-Library-Spec-v1.83-Errata_v1_pub.pdf
trustedcomputinggroup.org
https://trustedcomputinggroup.org/wp-content/uploads/VRT0009-Advisory-FINAL.pdf
www.cve.org
https://www.cve.org/CVERecord?id=CVE-2025-49133
www.intel.com
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01209.html
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