VULNERABILITY INTELLIGENCE

CVE-2020-15685

CVSS score8.8 HIGH

EPSS probability0.88%

CISA KEVNot currently listed

Published2022-12-22

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

During the plaintext phase of the STARTTLS connection setup, protocol commands could have been injected and evaluated within the encrypted session. This vulnerability affects Thunderbird < 78.7.

Weakness classification

nvd@nist.gov: CWE-77
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-77

Primary references

security@mozilla.org — Exploit, Issue Tracking, Patch, Vendor Advisory
security@mozilla.org — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory