What’s Vulnerable › Vulnerabilities

CVE-2023-47347

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-11-15 · updated 2026-06-17
• Weakness: CWE-120

Description

Buffer Overflow vulnerability in free5gc 3.3.0 allows attackers to cause a denial of service via crafted PFCP messages whose Sequence Number is mutated to overflow bytes.

Affected products

• free5gc: 3.3.0

References

• https://github.com/free5gc/free5gc/issues/496
• https://github.com/free5gc/free5gc/issues/496

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