CVE-2022-1520
Last modified
CVE-2022-1520 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. When viewing an email message A, which contains an attached message B, where B is encrypted or digitally signed or both, Thunderbird may show an incorrect encryption or signature status. After opening and viewing the attached message B, when returning to the display of message A, the message A might be shown with the security status of message B. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
When viewing an email message A, which contains an attached message B, where B is encrypted or digitally signed or both, Thunderbird may show an incorrect encryption or signature status. After opening and viewing the attached message B, when returning to the display of message A, the message A might be shown with the security status of message B. This vulnerability affects Thunderbird < 91.9.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Thunderbird | < 91.9 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1745019Issue Tracking, Permissions Required, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-18/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1745019Issue Tracking, Permissions Required, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2022-18/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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