TI-2023-04495 Aliases CVE-2023-4883 GHSA-2cqc-g5jj-27mw

Multiple vulnerabilities in Open5GS

MEDIUM 40CWE-763Published 2023-10-03 · Updated 2024-09-19

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Invalid pointer release vulnerability. Exploitation of this vulnerability could allow an attacker to interrupt the correct operation of the service by sending a specially crafted json string to the VNF (Virtual Network Function), and triggering the ogs_sbi_message_free function, which could cause a service outage.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00616 49th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Open5GS	Open5GS	up to 2.4.10	—	No fix listed	CNA

Open5GS VendorOpen5GS Affected up to 2.4.10 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:open5gs:open5gs::::::::	up to 2.4.10	Vulnerable	Open5GS

cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:* Versions up to 2.4.10 Vulnerable ·Open5GS

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-4883
2026-10-03 Alias added: GHSA-2cqc-g5jj-27mw

References

Advisory 1

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-open5gs

TI-2024-26883 open5gs v2.6.4 is vulnerable to Buffer Overflow. CVSS 3.1CRITICAL 9.8
TI-2024-26882 Open5GS v2.6.4 is vulnerable to Buffer Overflow. CVSS 3.1CRITICAL 9.8
TI-2024-22649 Open5GS MME versions <= 2.6.4 contains an assertion that can be remotely triggered via a… CVSS 3.1HIGH 8.6
TI-2023-18757 Open5GS MME versions <= 2.6.4 contain a reachable assertion in the `Uplink NAS Transport`… CVSS 3.1HIGH 8.6
TI-2023-18755 Open5GS MME version <= 2.6.4 contains an assertion that can be remotely triggered via a… CVSS 3.1HIGH 8.6
TI-2023-18754 Open5GS MME versions <= 2.6.4 contain an assertion that can be remotely triggered via a… CVSS 3.1HIGH 8.6

See all 153 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences