Vulnerability Details : CVE-2021-0086
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.
Vulnerability category: Information leak
Products affected by CVE-2021-0086
- cpe:2.3:a:intel:brand_verification_tool:*:*:*:*:*:*:*:*
- cpe:2.3:o:intel:pentium_processors_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:celeron_processors_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:xeon_processors_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:core_processors_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:intel:itanium_processors_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-0086
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 15 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-0086
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
3.9
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |
2.0
|
4.0
|
NIST |
CWE ids for CVE-2021-0086
-
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-0086
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SVA2NY26MMXOODUMYZN5DCU3FXMBMBOB/
[SECURITY] Fedora 33 Update: xen-4.14.2-2.fc33 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00516.html
INTEL-SA-00516Vendor Advisory
-
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00546.html
INTEL-SA-00546Vendor Advisory
-
http://www.openwall.com/lists/oss-security/2021/06/10/1
oss-security - Xen Security Advisory 375 v4 (CVE-2021-0089,CVE-2021-26313) - Speculative Code Store BypassMailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2021/06/08/7
oss-security - Xen Security Advisory 375 v2 (CVE-2021-0089) - Speculative Code Store BypassMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H36U6CNREC436W6GYO7QUMJIVEA35SCV/
[SECURITY] Fedora 34 Update: xen-4.14.2-2.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2021/06/09/2
oss-security - Xen Security Advisory 375 v3 (CVE-2021-0089,CVE-2021-26313) - Speculative Code Store BypassMailing List;Third Party Advisory
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