CVE-2020-8750: intel trusted_execution_engine_firmware Use After Free
CVSS: 7.8v3.1HighModified
Published 12-11-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-8750 is a high (CVSS 7.8) Use After Free vulnerability in intel trusted_execution_engine_firmware. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 27.4% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.35%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-11-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Use after free in Kernel Mode Driver for Intel(R) TXE versions before 3.1.80 and 4.0.30 may allow an authenticated user to potentially enable escalation of privilege via local access.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
Medium 4.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.35%
Chance of exploitation in the next 30 days
Percentile
27%
Versus all other CVEs
30-day change
0.00 pp
From 0.35% on 19-09-2026
19-09-202619-10-2026
EPSS score0.35%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Intel1 product
- trusted_execution_engine_firmware< 3.1.80 | ≥ 4.0, < 4.0.30
1 vendor · 1 product
References
2 links- www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00391X Refsource MISCVendor Advisory