Vulnerability Details : CVE-2020-12400
When converting coordinates from projective to affine, the modular inversion was not performed in constant time, resulting in a possible timing-based side channel attack. This vulnerability affects Firefox < 80 and Firefox for Android < 80.
Exploit prediction scoring system (EPSS) score for CVE-2020-12400
Probability of exploitation activity in the next 30 days: 0.05%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 12 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-12400
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
1.2
|
LOW | AV:L/AC:H/Au:N/C:P/I:N/A:N |
1.9
|
2.9
|
NIST |
|
4.7
|
MEDIUM | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |
1.0
|
3.6
|
NIST |
CWE ids for CVE-2020-12400
-
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-2020-12400
-
https://www.mozilla.org/security/advisories/mfsa2020-39/
Security Vulnerabilities fixed in Firefox for Android 80 — MozillaVendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2020-36/
Security Vulnerabilities fixed in Firefox 80 — MozillaVendor Advisory
-
https://lists.debian.org/debian-lts-announce/2023/02/msg00021.html
[SECURITY] [DLA 3327-1] nss security update
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1623116
Access DeniedIssue Tracking;Permissions Required;Vendor Advisory
Products affected by CVE-2020-12400
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:android:*:*