Medium severity5.9NVD Advisory· Published Oct 8, 2020· Updated Jun 17, 2026
CVE-2020-15646
CVE-2020-15646
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*range: <68.10.0
- (no CPE)range: <68.10.0
- (no CPE)range: unspecified
Patches
Vulnerability mechanics
References
2- bugzilla.mozilla.org/show_bug.cginvdIssue TrackingPermissions RequiredVendor Advisory
- www.mozilla.org/security/advisories/mfsa2020-26/nvdVendor Advisory
News mentions
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