What is CVE-2022-4070?

CVE-2022-4070 is a critical-severity vulnerability in Librenms, classified under Insufficient Session Expiration. CVSS score: 9.8/10. Published 2022-11-20.

How severe is CVE-2022-4070?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Librenms

CVE-2022-4070

Insufficient Session Expiration in GitHub repository librenms/librenms prior to 22.10.0.

Published 2022-11-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (49.1th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Librenms
Librenms Librenms/librenms — versions unspecified

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

huntr.dev/bounties/72d426bb-b56e-4534-88ba-0d11381b0775 (Permissions Required, Third Party Advisory)
github.com/librenms/librenms/commit/ce8e5f3d056829bfa7a845f9dc2757e21e419ddc (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-4070?: CVE-2022-4070 is a critical-severity vulnerability in Librenms, classified under Insufficient Session Expiration. CVSS score: 9.8/10. Published 2022-11-20.
How severe is CVE-2022-4070?: Critical severity. CVSS v3 base score is 9.8 out of 10.