CVE-2023-41913
moderate-risk
Published 2023-12-07
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.
Do I need to act?
~
5.3% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (1)
Strongswan
Affected Vendors
References (9)
Release Notes
https://github.com/strongswan/strongswan/releases
Release Notes
https://github.com/strongswan/strongswan/releases
45
/ 100
moderate-risk
Severity
32/34 · Critical
Exploitability
8/34 · Low
Exposure
5/34 · Minimal