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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.010 (60.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Mozilla Thunderbird — versions unspecified
References
- www.mozilla.org/security/advisories/mfsa2020-26/ (Vendor Advisory)
- bugzilla.mozilla.org/show_bug.cgi (Permissions Required, 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.