Vulnerability · NVD

CVE-2020-12421

CVE-2020-12421, medium severity (CVSS 6.5): 2 tracked apps concerned, all fixed or indeterminable on their current version.

Severity (CVSS): 6.5
Exploitation: 1.8 %
Tracked apps: 2
Still exposed: 0

Published on 2020-07-09

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 This could have caused add-ons to become out-of-date silently without notification to the user.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.

Attack vector : Network No privileges required

Show raw CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

EPSS 1.84% above median percentile 78.2%

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

Mozilla Firefox Windows winget:Mozilla.Firefox

Affected <78.0 Fixed in 78.0 Latest tracked 157.0 patched
Mozilla Thunderbird Windows winget:Mozilla.Thunderbird

Affected <68.10.0 Fixed in 68.10.0 Latest tracked 157.0 patched

Observed affected builds (2)

68.9.0 68.8.0

Vulnerable CPE configurations (2)

Vendor	Product	Platform	Versions	CPE 2.3 URI
mozilla	firefox All platforms (wildcard)	All platforms (wildcard)	<78.0	cpe:2.3:a:mozilla:firefox::::::::
mozilla	thunderbird All platforms (wildcard)	All platforms (wildcard)	<68.10.0	cpe:2.3:a:mozilla:thunderbird::::::::

View on NVD ↗ Advisory · bugzilla.mozilla.org Advisory · www.mozilla.org

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