CVE-2022-38871

HIGHNVD 7.57.5—Elevated

7.5

In Free5gc v3.0.5, the AMF breaks due to malformed NAS messages.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 51.6%
KEV: Not listed

Published

November 18, 2022

Last Modified

April 30, 2025

References (2)

cve@mitrehttps://github.com/free5gc/free5gc/issues/198
af854a3a-2127-422b-91ae-364da2661108https://github.com/free5gc/free5gc/issues/198

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
go	github.com/free5gc/free5gc	—	ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

Go(1)

Package	Vulnerable range	Fixed in	Dependents
github.com/free5gc/free5gc	—	—	—

Weakness Classification(1)

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

CWE-400Uncontrolled Resource Consumption (Denial of Service)

Data Freshness Timeline

(refreshed 13× 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.

2026-06-04 13:11 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-02 20:11 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
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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
2026-05-29 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 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2022-38871?

CVE-2022-38871 is a high vulnerability published on November 18, 2022. In Free5gc v3.0.5, the AMF breaks due to malformed NAS messages.

When was CVE-2022-38871 disclosed?

CVE-2022-38871 was first published in the National Vulnerability Database on November 18, 2022, with the most recent update on April 30, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-38871 actively exploited?

CVE-2022-38871 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 51.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-38871?

CVE-2022-38871 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2022-38871?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-38871, 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-2022-38871

Published

Last Modified

References (2)

Patch Availability(1)

Affected Packages

Weakness Classification(1)

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-38871?

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CVE-2022-38871

📅 Published

🔄 Last Modified

🔗 References (2)

Patch Availability(1)

Affected Packages

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-38871?

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