CVE-2024-34476

MEDIUMNVD 5.35.3—

5.3

Open5GS before 2.7.1 is vulnerable to a reachable assertion that can cause an AMF crash via NAS messages from a UE: ogs_nas_encrypt in lib/nas/common/security.c for pkbuf->len.

CVSS v3: 5.3
EG Score: 5.3(medium)
EPSS: 24.2%
KEV: Not listed

Published

May 5, 2024

Last Modified

April 22, 2025

References (4)

cve@mitrehttps://github.com/open5gs/open5gs/compare/v2.7.0...v2.7.1
cve@mitrehttps://github.com/open5gs/open5gs/pull/3122
af854a3a-2127-422b-91ae-364da2661108https://github.com/open5gs/open5gs/compare/v2.7.0...v2.7.1
af854a3a-2127-422b-91ae-364da2661108https://github.com/open5gs/open5gs/pull/3122

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-805Buffer Access with Incorrect Length Value

Data Freshness Timeline

(refreshed 9× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 02:55 UTCEG score recompute
2026-05-24 02:55 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2024-34476?

CVE-2024-34476 is a medium vulnerability published on May 5, 2024. Open5GS before 2.7.1 is vulnerable to a reachable assertion that can cause an AMF crash via NAS messages from a UE: ogsnasencrypt in lib/nas/common/security.c for pkbuf->len.

When was CVE-2024-34476 disclosed?

CVE-2024-34476 was first published in the National Vulnerability Database on May 5, 2024, with the most recent update on April 22, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-34476 actively exploited?

CVE-2024-34476 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 24.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-34476?

CVE-2024-34476 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2024-34476?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-34476, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2024-34476

📅 Published

🔄 Last Modified

🔗 References (4)