DEBIAN-CVE-2020-15646

Advisory lineage Upstream: 1 Downstream: 1
Upstream
Downstream
Published: 08 Oct 2020, 14:15
Last modified:28 Apr 2026, 20:21

Vulnerability Summary

Overall Risk (default)
low
24/100
CVSS Score
5.9 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

08 Oct 2020, 14:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:21
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.1MEDIUMScore: 5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Systems

  • debianthunderbird

    < 1:68.10.0-1 | < 1:68.10.0-1 | < 1:68.10.0-1 | < 1:68.10.0-1

References (1)