Medium severity · published Jan 2, 2026
CVE-2025-15419
Open5GS GTPv2-C Flow s5c-handler.c sgwc_s5c_handle_create_session_response denial of service
5.5
CVSS
0.2%
EPSS
No
On KEV
Description
A weakness has been identified in Open5GS up to 2.7.6. Affected by this issue is the function sgwc_s5c_handle_create_session_response of the file src/sgwc/s5c-handler.c of the component GTPv2-C Flow Handler. Executing a manipulation can lead to denial of service. The attack needs to be launched locally. The exploit has been made available to the public and could be used for attacks. This patch is called 5aaa09907e7b9e0a326265a5f08d56f54280b5f2. It is advisable to implement a patch to correct this issue.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Open5GS · Open5gs
2.7.0; 2.7.1; 2.7.2; 2.7.3; 2.7.4; 2.7.5; +1 more · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-15419
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-15419
github.com
https://github.com/open5gs/open5gs/
Patch
https://github.com/open5gs/open5gs/commit/5aaa09907e7b9e0a326265a5f08d56f54280b5f2
Exploit
https://github.com/open5gs/open5gs/issues/4224
Exploit
https://github.com/open5gs/open5gs/issues/4224#issue-3766767406
Exploit
https://github.com/open5gs/open5gs/issues/4224#issuecomment-3698521008
Permissions Required
https://vuldb.com/?ctiid.339341
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