VulnerabilityModified
CVE-2020-15685
During the plaintext phase of the STARTTLS connection setup, protocol commands could have been injected and evaluated within the encrypted session.
HIGH 8.8EPSS 0.85%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.85%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.85% probability · 56th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-77
- Affected
- mozilla/thunderbird
- Source
- security@mozilla.org
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1622640Exploit, Issue Tracking, Patch, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-05/Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1622640Exploit, Issue Tracking, Patch, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2021-05/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.