Vulnerability in Mozilla Thunderbird
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.
EPSS: 0.009 (57.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Mozilla Thunderbird — versions unspecified
References
- security@mozilla.org (x_refsource_MISC, Release Notes, Vendor Advisory)
- security@mozilla.org (Exploit, Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-29957?
- CVE-2021-29957 is a medium-severity vulnerability in Mozilla Thunderbird. CVSS score: 4.3/10. Published 2021-06-24.
- How severe is CVE-2021-29957?
- Medium severity. CVSS v3 base score is 4.3 out of 10.