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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2020-12421 Detail

Description

When performing add-on updates, certificate chains terminating in non-built-in-roots were rejected (even if they were legitimately added by an administrator.) This could have caused add-ons to become out-of-date silently without notification to the user. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.


Severity

 


CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  6.5 MEDIUM
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00023.html Broken Link 
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00026.html Broken Link 
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html Broken Link 
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html Broken Link 
https://bugzilla.mozilla.org/show_bug.cgi?id=1308251 Issue Tracking  Vendor Advisory 
https://security.gentoo.org/glsa/202007-09 Third Party Advisory 
https://security.gentoo.org/glsa/202007-10 Third Party Advisory 
https://usn.ubuntu.com/4421-1/ Third Party Advisory 
https://www.mozilla.org/security/advisories/mfsa2020-24/ Vendor Advisory 
https://www.mozilla.org/security/advisories/mfsa2020-25/ Vendor Advisory 
https://www.mozilla.org/security/advisories/mfsa2020-26/ Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-295 Improper Certificate Validation cwe source acceptance level NIST  

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Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-12421
NVD Published Date:
07/09/2020
NVD Last Modified:
01/30/2023
Source:
Mozilla Corporation