What is CVE-2023-34865?

CVE-2023-34865 is a critical-severity vulnerability in Linux Kernel, classified under Path Traversal. CVSS score: 9.8/10. Published 2023-06-14.

How severe is CVE-2023-34865?

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

Path Traversal in Linux Kernel

CVE-2023-34865

Directory traversal vulnerability in ujcms 6.0.2 allows attackers to move files via the rename feature.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2023-06-14 · 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: 0.012 (67.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Linux Kernel
Ujcms — versions 6.0.2

Weakness classification (CWE)

CWE-22 — Path Traversal

References

github.com/ujcms/ujcms/issues/5 (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2023-34865?: CVE-2023-34865 is a critical-severity vulnerability in Linux Kernel, classified under Path Traversal. CVSS score: 9.8/10. Published 2023-06-14.
How severe is CVE-2023-34865?: Critical severity. CVSS v3 base score is 9.8 out of 10.