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CVE-2023-41913

Published: Dec 7, 2023Updated: Dec 18, 2025 Sources: CVE List NVD BDUCWE-120
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
2.3%
Top 19.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

strongSwan before 5.9.12 has a buffer overflow and possible unauthenticated remote code execution via a DH public value that exceeds the internal buffer in charon-tkm's DH proxy. The earliest affected version is 5.3.0. An attack can occur via a crafted IKE_SA_INIT message.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-120

Affected Products

OpenSUSE LeapNovell Inc.
On-premOS
Operating Systems / linux-distro
SUSE Linux Enterprise Server for SAP ApplicationsNovell Inc.
On-premOS
Operating Systems / linux-distro
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
UbuntuCanonical Ltd.
On-premOS
Operating Systems / linux-distro
SUSE CaaS PlatformNovell Inc.
On-prem
Operating Systems / linux-distro
novell inc.commercialUSOperating Systems
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
canonical ltd.commercialGBOperating Systemsaka canonical
and 17 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://www.strongswan.org/blog/2023/11/20/strongswan-vulnerability-(cve-2023-41913).html
strongswan.org
https://download.strongswan.org/security/CVE-2023-41913/
download.strongswan.org
https://security-tracker.debian.org/tracker/CVE-2023-41913
security-tracker.debian.org
and 13 more references View all →

Timeline

Published
Dec 7, 2023
Last Updated
Dec 18, 2025
News mentions
1

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