Vulnerability Report

CVE-2020-15917

Title: Claws Mail Protocol Violation

Protocol Violation

Proof Of Concept

No public PoC currently indexed for CVE-2020-15917.

CWE Category NVD-CWE-noinfo
Published Date Jul 23, 2020
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 9.8 CVSS v3.1
Exploit Probability (EPSS)
2.22%

Vulnerability Summary

CVE-2020-15917: common/session.c in Claws Mail before 3.17.6 has a protocol violation because suffix data after STARTTLS is mishandled.

Impacted Vendors

O
opensuse 1
C
claws-mail 1

Reference Links

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00090.html http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00002.html http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00060.html http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00051.html http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00013.html https://git.claws-mail.org/?p=claws.git%3Ba=blob%3Bf=RELEASE_NOTES https://git.claws-mail.org/?p=claws.git%3Ba=commit%3Bh=fcc25329049b6f9bd8d890f1197ed61eb12e14d5 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YVQB7NRBHO67Q74RS7RZCMW4ENRVBB4/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G7UX65342HRVDQML4G4GEVEUB764EUM5/ https://security.gentoo.org/glsa/202007-56 http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00090.html http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00002.html http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00060.html http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00051.html http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00013.html https://git.claws-mail.org/?p=claws.git%3Ba=blob%3Bf=RELEASE_NOTES https://git.claws-mail.org/?p=claws.git%3Ba=commit%3Bh=fcc25329049b6f9bd8d890f1197ed61eb12e14d5 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YVQB7NRBHO67Q74RS7RZCMW4ENRVBB4/ https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G7UX65342HRVDQML4G4GEVEUB764EUM5/ https://security.gentoo.org/glsa/202007-56
CVSS v3.1
Source Entity [email protected]
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity HIGH
7.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-15917 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.