What is CVE-2021-37144?

CVE-2021-37144 is a critical-severity vulnerability in Cszcms Csz Cms, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 9.1/10. Published 2021-07-30.

How severe is CVE-2021-37144?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Is CVE-2021-37144 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Cszcms Csz Cms

CVE-2021-37144

CSZ CMS 1.2.9 is vulnerable to Arbitrary File Deletion. This occurs in PHP when the unlink() function is called and user input might affect portions of or the whole affected parameter, which represents the path of the file to remove, without sufficient sanitization.

Published 2021-07-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (68.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.8% 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

Cszcms Csz Cms — versions 1.2.9

Weakness classification (CWE)

CWE-706 — Use of Incorrectly-Resolved Name or Reference

Public proof-of-concept exploits

References

github.com/cskaza/cszcms/issues/32 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-37144?: CVE-2021-37144 is a critical-severity vulnerability in Cszcms Csz Cms, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 9.1/10. Published 2021-07-30.
How severe is CVE-2021-37144?: Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2021-37144 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.