What is CVE-2020-21590?

CVE-2020-21590 is a medium-severity vulnerability in Wuzhicms, classified under Path Traversal. CVSS score: 4.3/10. Published 2021-04-02.

How severe is CVE-2020-21590?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Path Traversal in Wuzhicms

CVE-2020-21590

Directory traversal in coreframe/app/template/admin/index.php in WUZHI CMS 4.1.0 allows attackers to list files in arbitrary directories via the dir parameter.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2021-04-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.013 (68.4th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Wuzhicms — versions 4.1.0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

github.com/wuzhicms/wuzhicms/issues/190 (Exploit, Third Party Advisory)
github.com/pwnninja/wuzhicms/issues/1 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-21590?: CVE-2020-21590 is a medium-severity vulnerability in Wuzhicms, classified under Path Traversal. CVSS score: 4.3/10. Published 2021-04-02.
How severe is CVE-2020-21590?: Medium severity. CVSS v3 base score is 4.3 out of 10.