Vulnerability Details : CVE-2020-15917
common/session.c in Claws Mail before 3.17.6 has a protocol violation because suffix data after STARTTLS is mishandled.
Products affected by CVE-2020-15917
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
- cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*
- cpe:2.3:a:opensuse:backports_sle:15.0:sp2:*:*:*:*:*:*
- cpe:2.3:a:claws-mail:claws-mail:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-15917
0.73%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 81 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-15917
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
References for CVE-2020-15917
-
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00013.html
[security-announce] openSUSE-SU-2020:1822-1: moderate: Security update fBroken Link;Mailing List;Third Party Advisory
-
https://git.claws-mail.org/?p=claws.git;a=blob;f=RELEASE_NOTES
git.claws-mail.org Git - claws.git/blob - RELEASE_NOTESRelease Notes;Vendor Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00060.html
[security-announce] openSUSE-SU-2020:1269-1: moderate: Security update fBroken Link;Mailing List;Third Party Advisory
-
https://security.gentoo.org/glsa/202007-56
Claws Mail: Improper STARTTLS handling (GLSA 202007-56) — Gentoo securityThird Party Advisory
-
https://git.claws-mail.org/?p=claws.git;a=commit;h=fcc25329049b6f9bd8d890f1197ed61eb12e14d5
git.claws-mail.org Git - claws.git/commitMailing List;Patch;Vendor Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00051.html
[security-announce] openSUSE-SU-2020:1192-1: moderate: Security update fBroken Link;Mailing List;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00090.html
[security-announce] openSUSE-SU-2020:1116-1: moderate: Security update fMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6YVQB7NRBHO67Q74RS7RZCMW4ENRVBB4/
[SECURITY] Fedora 31 Update: claws-mail-3.17.6-1.fc31 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00002.html
[security-announce] openSUSE-SU-2020:1139-1: moderate: Security update fBroken Link;Mailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G7UX65342HRVDQML4G4GEVEUB764EUM5/
[SECURITY] Fedora 32 Update: claws-mail-3.17.6-1.fc32 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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