Vulnerability in Trustedcomputinggroup Trusted Platform Module
CVE-2020-26933
Trusted Computing Group (TCG) Trusted Platform Module Library Family 2.0 Library Specification Revisions 1.38 through 1.59 has Incorrect Access Control during a non-orderly TPM shut-down that uses USE_DA_USED. Improper initialization of this shut-down may result in susceptibility to a dictionary attack.
Vulnerability class: Dirty Pipe (CVE-2022-0847)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.003 (20.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Trustedcomputinggroup Trusted Platform Module — versions 2.0
Weakness classification (CWE)
References
- trustedcomputinggroup.org/about/security/ (Vendor Advisory)
- trustedcomputinggroup.org/wp-content/uploads/TCGVRT004-Advisory-FINAL.pdf (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-26933?
- CVE-2020-26933 is a high-severity vulnerability in Trustedcomputinggroup Trusted Platform Module, classified under Improper Initialization. CVSS score: 7.2/10. Published 2020-11-18.
- How severe is CVE-2020-26933?
- High severity. CVSS v3 base score is 7.2 out of 10.