High severity · published Jun 18, 2025
CVE-2025-44951
A missing length check in `ogs_pfcp_dev_add` function from PFCP library, used by both smf and upf in open5gs 2.7.2 and earlier, allows a local attacker to cause a Buffer Overflow…
7.1
CVSS
0.2%
EPSS
No
On KEV
Description
A missing length check in `ogs_pfcp_dev_add` function from PFCP library, used by both smf and upf in open5gs 2.7.2 and earlier, allows a local attacker to cause a Buffer Overflow by changing the `session.dev` field with a value with length greater than 32.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
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
through 2.7.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-44951
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-44951
Exploit
https://gist.github.com/scmdcs/6d878d6074f0e2f4a8fb69e9864068b7
github.com
https://github.com/open5gs/open5gs/commit/e3dd98cd291fba233a46adb2881213fc6e38b924
Exploit
https://github.com/open5gs/open5gs/issues/3775
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