What is CVE-2023-31861?

CVE-2023-31861 is a high-severity vulnerability in Zlmediakit, classified under Path Traversal. CVSS score: 7.5/10. Published 2023-05-25.

How severe is CVE-2023-31861?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Zlmediakit

CVE-2023-31861

ZLMediaKit 4.0 is vulnerable to Directory Traversal.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2023-05-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.011 (65.5th percentile), scored 2026-10-09.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Zlmediakit — versions 4.0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

github.com/nbb651/CVE-ZLMediaKit/blob/main/README.md (Exploit, Third Party Advisory)
gist.github.com/nbb651/5aa72867fc1df3ef52e690b293964aac (Third Party Advisory)

Frequently asked questions

What is CVE-2023-31861?: CVE-2023-31861 is a high-severity vulnerability in Zlmediakit, classified under Path Traversal. CVSS score: 7.5/10. Published 2023-05-25.
How severe is CVE-2023-31861?: High severity. CVSS v3 base score is 7.5 out of 10.