Vulnerability in Mozilla Thunderbird
CVE-2020-15646
If an attacker intercepts Thunderbird's initial attempt to perform automatic account setup using the Microsoft Exchange autodiscovery mechanism, and the attacker sends a crafted response, then Thunderbird sends username and password over https to a server controlled by the attacker. This vulnerability affects Thunderbird < 68.10.0.
EPSS: 0.010 (58.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Mozilla Thunderbird — versions unspecified
References
- security@mozilla.org (x_refsource_MISC, Vendor Advisory)
- security@mozilla.org (Permissions Required, x_refsource_MISC, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-15646?
- CVE-2020-15646 is a medium-severity vulnerability in Mozilla Thunderbird. CVSS score: 5.9/10. Published 2020-10-08.
- How severe is CVE-2020-15646?
- Medium severity. CVSS v3 base score is 5.9 out of 10.