Auth bypass in Open5gs

CVE-2021-25863

Open5GS 2.1.3 listens on 0.0.0.0:3000 and has a default password of 1423 for the admin account.

Vulnerability class: Broken Authentication

EPSS: 0.012 (66.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Open5gs — versions 2.1.3
N/a — versions n/a

Weakness classification (CWE)

CWE-287 — Improper Authentication

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-25863?: CVE-2021-25863 is a high-severity vulnerability in Open5gs, classified under Improper Authentication. CVSS score: 8.8/10. Published 2021-01-26.
How severe is CVE-2021-25863?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2021-25863 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.