CVE-2022-43221

HIGHNVD 7.57.5—Elevated

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 56.5%
KEV: Not listed

Published

November 1, 2022

Last Modified

May 2, 2025

References (2)

cve@mitrehttps://github.com/ToughRunner/Open5gs_bugreport3
af854a3a-2127-422b-91ae-364da2661108https://github.com/ToughRunner/Open5gs_bugreport3

Weakness Classification(1)

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

CWE-401Missing Release of Memory after Effective Lifetime (Memory Leak)

Data Freshness Timeline

(refreshed 11× in last 7d / 20× 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
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 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 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 12:53 UTCEG score recompute

Frequently asked(5)

What is CVE-2022-43221?

CVE-2022-43221 is a high vulnerability published on November 1, 2022. 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.

When was CVE-2022-43221 disclosed?

CVE-2022-43221 was first published in the National Vulnerability Database on November 1, 2022, with the most recent update on May 2, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-43221 actively exploited?

CVE-2022-43221 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 56.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-43221?

CVE-2022-43221 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2022-43221?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-43221, 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-2022-43221

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-43221?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)