What’s Vulnerable › Vulnerabilities

CVE-2023-4883: Multiple vulnerabilities in Open5GS

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-03 · updated 2026-06-17
• Weakness: CWE-763

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 products

• Open5GS: through 2.4.10

References

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

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