Open5GS up to 2.7.2 ogs_pfcp_dev_add session.dev buffer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability described as critical has been identified in Open5GS up to 2.7.2. This impacts the function ogs_pfcp_dev_add. Executing a manipulation of the argument session.dev can lead to buffer overflow.
The identification of this vulnerability is CVE-2025-44951. The attack can only be executed locally. There is no exploit available.
Details
A vulnerability was found in Open5GS up to 2.7.2. It has been declared as critical. This vulnerability affects the function ogs_pfcp_dev_add. The manipulation of the argument session.dev with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
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.
The advisory is available at github.com. This vulnerability was named CVE-2025-44951 since 04/22/2025. The exploitation appears to be easy. Local access is required to approach this attack. Technical details are known, but there is no available exploit.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-18653). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Name
Version
Website
- Product: https://github.com/open5gs/open5gs/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Buffer overflowCWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
04/22/2025 CVE reserved06/18/2025 Advisory disclosed
06/18/2025 VulDB entry created
06/20/2025 VulDB entry last update
Sources
Product: github.comAdvisory: 3775
Status: Confirmed
CVE: CVE-2025-44951 (🔒)
GCVE (CVE): GCVE-0-2025-44951
GCVE (VulDB): GCVE-100-313234
EUVD: 🔒
Entry
Created: 06/18/2025 23:52Updated: 06/20/2025 17:08
Changes: 06/18/2025 23:52 (54), 06/19/2025 04:28 (1), 06/20/2025 17:08 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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