CVE-2020-12397

medium

Description

By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. This vulnerability affects Thunderbird < 68.8.0.

References

https://www.mozilla.org/security/advisories/mfsa2020-18/

https://usn.ubuntu.com/4373-1/

https://security.gentoo.org/glsa/202005-03

https://bugzilla.mozilla.org/show_bug.cgi?id=1617370

Details

Source: Mitre, NVD

Published: 2020-05-22

Updated: 2023-02-28

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 4.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Severity: Medium