CVE-2020-15917 is a critical vulnerability in Claws Mail versions prior to 3.17.6, affecting common/session.c due to mishandling of suffix data after STARTTLS, leading to a protocol violation. With a CVSS score of 9.8, this network-exploitable flaw requires no user interaction and could result in complete compromise of confidentiality, integrity, and availability. Despite its high severity and FAUCET Risk Score of 82/100, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.17.6CPE matchmatch criteria | cpe:2.3:a:claws-mail:claws-mail:*:*:*:*:*:*:*:* | ||
31CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* | ||
32CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* | ||
15.0CPE matchmatch criteria | cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:* | ||
15.0CPE matchmatch criteria | cpe:2.3:a:opensuse:backports_sle:15.0:sp2:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.