7.5

CVE-2022-38871: free5gc Uncontrolled Resource Consumption

Modified
AliasesGHSA-m74x-fxjh-3qh9
Published 18-11-2022Last modified 30-04-2025

Vulnerability summary

CVE-2022-38871 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in free5gc. EPSS estimates a 0.77% chance of exploitation in the next 30 days, higher than 55% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.77%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github

Timeline

  1. 18-11-2022
    PublishedVulnerability first disclosed.
  2. 30-04-2025
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.77%

Chance of exploitation in the next 30 days

Percentile

55%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.77% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • githubUnverified

    Free5Gc

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Free5gc1 product
Github.com/free5gc1 product
  • free5gcAll versions (No fix recorded)

2 vendors · 2 products

References

3 links