Description
A weakness has been identified in Free5GC up to 4.1.0. Affected is the function SessionDeletionResponse of the component SMF. This manipulation causes null pointer dereference. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. It is suggested to install a patch to address this issue.
References (7)
Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.344498
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.344498
Exploit, Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.743239
Exploit, Issue Tracking, Vendor Advisory issue-tracking
https://github.com/free5gc/free5gc/issues/817
Exploit, Issue Tracking, Vendor Advisory exploit
issue-tracking
https://github.com/free5gc/free5gc/issues/817#issue-3832188092
Issue Tracking issue-tracking
patch
https://github.com/free5gc/smf/pull/189
Product product
https://github.com/free5gc/free5gc/
Scores
CVSS v3
5.3
EPSS
0.0053
EPSS Percentile
40.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-476
CWE-404
Status
published
Products (1)
free5gc/free5gc
< 4.1.0
Published
Feb 06, 2026
Tracked Since
Feb 18, 2026