CVE Vulnerability

CVE-2021-29957

If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an additional unprotected part, Thunderbird did not indicate that only parts of the message are protected. This vulnerability affects Thunderbird < 78.10.2.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

4.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://www.mozilla.org/security/advisories/mfsa2021-22/ Release Notes Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1673241 Exploit Patch
Configurations

Configuration 1

cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Information

Published : 2021-06-24 02:15

Updated : 2021-06-30 05:30

NVD link : CVE-2021-29957

Mitre link : CVE-2021-29957

Products Affected
No products.
CWE
NVD-CWE-Other