Arbitrary file upload in Tribalsystems Zenario
CVE-2021-42171
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.
Vulnerability class: Unrestricted File Upload
EPSS: 0.025 (82.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Tribalsystems Zenario — versions 9.0.54156
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-42171?
- CVE-2021-42171 is a high-severity vulnerability in Tribalsystems Zenario, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2022-03-14.
- How severe is CVE-2021-42171?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2021-42171 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.