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CVE-2023-4883

Multiple vulnerabilities in Open5GS

HIGH
7.5
CVSS Score
Published: October 3, 2023 at 02:42 PM UTC
Updated: June 17, 2026 at 06:38 AM UTC
1 product affected across 1 vendorOpen5GS

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Open5GS· OPEN5GS
95%
v ≤ 2.4.10

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Third Party Advisory
Source: [email protected]
https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-open5gs

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHINCIBE
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-763

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