CVE-2024-34476
CVE-2024-34476 is a medium-severity vulnerability in Open5gs with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-805.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- EPSS exploit prediction: 1% (40th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-34825
- Weakness: CWE-805
- Affected product: Open5gs
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2024-34476?
- 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.
- How severe is CVE-2024-34476?
- CVE-2024-34476 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2024-34476 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-34476?
- CVE-2024-34476 affects Open5gs. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-34476?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2024-34476 have an EU (EUVD) identifier?
- Yes. CVE-2024-34476 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34825.
- When was CVE-2024-34476 published?
- CVE-2024-34476 was published on 2024-05-05 and last updated on 2026-06-17.
References
- https://github.com/open5gs/open5gs/compare/v2.7.0...v2.7.1
- https://github.com/open5gs/open5gs/pull/3122
Affected products (1)
- cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*
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