CVE-2020-15917
9.8 criticalEPSS 2.6%
Critical (9.8). EPSS 2.6% chance of exploitation in the next 30 days.
common/session.c in Claws Mail before 3.17.6 has a protocol violation because suffix data after STARTTLS is mishandled.
Severity
CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- EPSS
- 2.6% chance of exploitation in the next 30 days; higher than 85% of CVEs (scores of 2026-10-31)
- Published
- Modified
- Record from
- the NVD, synced
Affected
- claws-mail:claws-mail
- fedoraproject:fedora
- opensuse:backports_sle
- opensuse:leap
References
Check your stackJSON