Skip to content
Fencer Vulns
high 7.2

CVE-2021-42171 json

Unrestricted Upload of File with Dangerous Type in Zenario CMS

published 2022-03-14 4 y ago modified 2026-06-17 4 mo ago also GHSA-rgg3-3wh7-w935 , EUVD-2022-1532

cvss
7.2
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits
1
Exploit-DB

Summary

Zenario CMS 9.0.54156 is vulnerable to File Upload. The web server can be compromised by uploading and executing a web-shell which can run commands, browse system files, browse local resources, attack other servers, and exploit the local vulnerabilities, and so forth.

Patch / fix

  • packagist tribalsystems/zenario 9.0.55143

Timeline

  1. Published
  2. First public exploit (EDB-50850)

Exploit prediction

2.52% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-50850 Zenario CMS 9.0.54156 - Remote Code Execution (RCE) (Authenticated) webapps, 2022-04-07
  • github.com https://github.com/hieuminhnv/Zenario-CMS-9.0-last-version/issues/2 referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/166617/Zenario-CMS-9.0.54156-Remote-Code-Execution.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P
GitHub 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
packagist tribalsystems/zenario
<9.0.55143
9.0.55143

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.