Open5GS AMF Service amf-sm.c amf_state_operational assertion

published 2025-07-01 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-19611

cvss: 3.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 14%
public exploits: 0; none known

A vulnerability, which was classified as problematic, has been found in Open5GS up to 2.7.5. This issue affects the function amf_state_operational of the file src/amf/amf-sm.c of the component AMF Service. The manipulation leads to reachable assertion. It is possible to launch the attack on the local host. The identifier of the patch is 53e9e059ed96b940f7ddcd9a2b68cb512524d5db. It is recommended to apply a patch to fix this issue.

Patch / fix

fixed in 1 links 1

open5gs open5gs 2.7.6

github.com/open5gs/open5gs@53e9e05 commit

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 16 mo ago (2025-07-01)

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/open5gs/open5gs/issues/3938 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	4.8	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X
CNA	3.1	3.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C
CNA	3.0	3.3	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C
CNA	2.0	1.7	AV:L/AC:L/Au:S/C:N/I:N/A:P/E:ND/RL:OF/RC:C
CNA	4.0	4.8	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA	3.1	3.3	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CNA	2.0	1.7	AV:L/AC:L/Au:S/C:N/I:N/A:P

Affected products

n/a Open5GS

Classification

Weakness

CWE-617 Reachable Assertion

References

github.com /open5gs/open5gs/commit/53e9e059ed96b940f7ddcd9a2b68cb512524d5db
patch
github.com /open5gs/open5gs/issues/3938
issue-tracking, exploit, third-party-advisory
vuldb.com /?id.314489
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.314489
signature, permissions-required, vdb-entry
vuldb.com /?submit.605312
third-party-advisory, vdb-entry
github.com /open5gs/open5gs/issues/3938#issuecomment-3012139813
issue-tracking

Sources

CVE List CVE-2025-6952
NVD CVE-2025-6952

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary