CVE-2021-0086: fedoraproject fedora Observable Discrepancy
CVSS: 6.5v3.1MediumModified
Published 09-06-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-0086 is a medium (CVSS 6.5) Observable Discrepancy vulnerability in fedoraproject fedora. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 27% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (NVD)EPSS score
0.35%
0%100%
Low · -0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-06-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Observable response discrepancy in floating-point operations for some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:NSourcesSingle source
Low 2.1Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.35%
Chance of exploitation in the next 30 days
Percentile
27%
Versus all other CVEs
30-day change
-0.02 pp
From 0.37% 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
Intel6 products
- brand_verification_tool< 11.0.0.1225
- celeron_processors_firmwarena
- core_processors_firmwarena
- itanium_processors_firmwarena
- pentium_processors_firmwarena
Fedoraproject1 product
- fedoraEOL33 | 34
2 vendors · 7 products
References
7 links- www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00516.htmlX Refsource CONFIRMVendor Advisory
- www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00546.htmlX Refsource CONFIRMVendor Advisory