CVE-2022-43221
CVE-2022-43221 is a high-severity vulnerability in Open5gs with a CVSS 3.x base score of 7.5. 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-401.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (54th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-401
- Affected product: Open5gs
- Published:
- Last modified:
Description
open5gs v2.4.11 was discovered to contain a memory leak in the component src/upf/pfcp-path.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted PFCP packet.
Frequently asked questions
- What is CVE-2022-43221?
- open5gs v2.4.11 was discovered to contain a memory leak in the component src/upf/pfcp-path.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted PFCP packet.
- How severe is CVE-2022-43221?
- CVE-2022-43221 has a CVSS 3.x base score of 7.5, rated high 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 high.
- Is CVE-2022-43221 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-43221?
- CVE-2022-43221 affects Open5gs. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-43221?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2022-43221 published?
- CVE-2022-43221 was published on 2022-11-01 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:open5gs:open5gs:2.4.11:*:*:*:*:*:*:*
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