CVE-2026-4988

3.7 LOW
Published: March 27, 2026 Modified: March 30, 2026
View on NVD

Description

A security flaw has been discovered in Open5GS 2.7.6. This issue affects the function smf_gx_cca_cb/smf_gy_cca_cb/smf_s6b of the component CCA Message Handler. The manipulation results in denial of service. The attack may be launched remotely. Attacks of this nature are highly complex. The exploitability is assessed as difficult. The exploit has been released to the public and may be used for attacks.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/open5gs/open5gs/
Source: cna@vuldb.com
Product
https://github.com/open5gs/open5gs/issues/4342
Source: cna@vuldb.com
Exploit Issue Tracking
https://vuldb.com/?ctiid.353875
Source: cna@vuldb.com
Permissions Required VDB Entry
https://vuldb.com/?id.353875
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.771349
Source: cna@vuldb.com
Exploit Third Party Advisory VDB Entry

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
3.7 / 10.0
EPSS (Exploit Probability)
0.1%
20th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

open5gs