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TI-2021-18658 Aliases CVE-2021-42171GHSA-rgg3-3wh7-w935

Zenario CMS 9.0.54156 is vulnerable to File Upload.

Priority LOW 36CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-434.

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.

Why it matters now

EPSS 0.02523 84th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed tribalsystems/zenario (Packagist): 9.0.55143

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—tribalsystems/zenario (Packagist)before 9.0.551439.0.55143Patch availableGHSA-rgg3-3wh7-w935
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • tribalsystems/zenario (Packagist) Vendor— Affected before 9.0.55143 Fixed in 9.0.55143 Patch available GHSA-rgg3-3wh7-w935

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:tribalsystems:zenario:9.0.54156:*:*:*:*:*:*:*9.0.54156VulnerableTribal Systems
  • cpe:2.3:a:tribalsystems:zenario:9.0.54156:*:*:*:*:*:*:* Versions 9.0.54156 Vulnerable ·Tribal Systems

Remediation

  • Fix · GHSA-rgg3-3wh7-w935 tribalsystems/zenario (Packagist) Fixed in 9.0.55143 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-42171
  2. 2026-10-03 Alias added: GHSA-rgg3-3wh7-w935

References

  • TI-2022-21687 Zenario CMS 9.3.57186 is vulnerable to Remote Code Excution (RCE). CVSS 3.1CRITICAL 9.8
  • TI-2023-24000 A Cross-Site Scripting (XSS) vulnerability in Zenario CMS v.9.4.59197 allows a local… CVSS 3.1MEDIUM 5.4
  • TI-2023-23999 A Cross-Site Scripting (XSS) vulnerability in Zenario CMS v.9.4.59197 allows an attacker… CVSS 3.1MEDIUM 5.4
  • TI-2023-23998 A Cross-Site Scripting (XSS) vulnerability in Zenario CMS v.9.4.59197 allows a local… CVSS 3.1MEDIUM 5.4
  • TI-2022-21674 Zenario CMS 9.3.57186 is vulnerable to Cross Site Scripting (XSS) via svg,Users & Contacts. CVSS 3.1MEDIUM 5.4
  • TI-2022-21673 Zenario CMS 9.3.57186 is is vulnerable to Cross Site Scripting (XSS) via profile. CVSS 3.1MEDIUM 5.4
See all 20 →

Sources