CVE-2025-15555

MEDIUM EPSS 40.1%
Published Feb 4, 20264mo ago · Modified Jun 17, 20262w ago
6.9 CVSS 4.0
Medium
Find Similar
Published Feb 4, 2026 4mo ago
Last Modified Jun 17, 2026 2w ago

Description

A security flaw has been discovered in Open5GS up to 2.7.6. Affected by this vulnerability is the function hss_ogs_diam_cx_mar_cb of the file src/hss/hss-cx-path.c of the component VoLTE Cx-Test. The manipulation of the argument OGS_KEY_LEN results in stack-based buffer overflow. The attack may be launched remotely. The patch is identified as 54dda041211098730221d0ae20a2f9f9173e7a21. A patch should be applied to remediate this issue.

CVSS Details

Base Score
6.9
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/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
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
40.1% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 3

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-121
CWE-787 Out-of-bounds Write Memory Safety

Affected Products 1

VendorProductVersionRange
open5gsopen5gs* ≤2.7.6

References 7

  • github.com https://github.com/open5gs/open5gs/
    Product
  • github.com https://github.com/open5gs/open5gs/commit/54dda041211098730221d0ae20a2f9f9173e7a21
    Patch
  • github.com https://github.com/open5gs/open5gs/issues/4177
    ExploitIssue TrackingThird Party Advisory
  • github.com https://github.com/open5gs/open5gs/issues/4177#event-21256395700
    ExploitIssue TrackingThird Party Advisory
  • vuldb.com https://vuldb.com/submit/741901
  • vuldb.com https://vuldb.com/vuln/343795
  • vuldb.com https://vuldb.com/vuln/343795/cti

Remediation

  • github.com https://github.com/open5gs/open5gs/commit/54dda041211098730221d0ae20a2f9f9173e7a21
    Patch