CVE-2020-35578 in the critical feed json
An issue was discovered in the Manage Plugins page in Nagios XI before 5.8.0.
published 2021-01-13 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-23244
- cvss
- 7.2
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 81.9%
- EPSS 81.9% chance of exploitation in 30 days, percentile 99.6%
- public exploits
- 3
- Metasploit, Exploit-DB
Summary
An issue was discovered in the Manage Plugins page in Nagios XI before 5.8.0. Because the line-ending conversion feature is mishandled during a plugin upload, a remote, authenticated admin user can execute operating-system commands.
Patch / fix
- nagios nagios_xi 5.8.0
Timeline
- First public exploit (Metasploit exploit/linux/http/nagios_xi_plugins_filename_authenticated_rce)
- Published
Exploit prediction
81.92% chance of exploitation in the next 30 days, higher than 99.6% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit exploit/linux/http/nagios_xi_plugins_filename_authenticated_rce Nagios XI Prior to 5.8.0 - Plugins Filename Authenticated Remote Code Exection metasploit exploit, excellent rank, 2020-12-19
- Metasploit auxiliary/scanner/http/nagios_xi_scanner Nagios XI Scanner metasploit auxiliary, normal rank
- EDB-49422 Nagios XI 5.7.X - Remote Code Execution RCE (Authenticated) webapps, 2021-01-14
- packetstormsecurity.com http://packetstormsecurity.com/files/160948/Nagios-XI-5.7.x-Remote-Code-Execution.html referenced PoC, tagged "exploit" by a source, unverified
- packetstormsecurity.com http://packetstormsecurity.com/files/162207/Nagios-XI-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 | 9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
packetstormsecurity.com
/files/160948/Nagios-XI-5.7.x-Remote-Code-Execution.html
exploit, third-party-advisory, vdb-entry
-
packetstormsecurity.com
/files/162207/Nagios-XI-Remote-Code-Execution.html
exploit, third-party-advisory, vdb-entry
-
nagios.com
/downloads/nagios-xi/change-log/
release-notes, vendor-advisory
-
nagios.com
/products/security/
vendor-advisory
Sources
- CVE List CVE-2020-35578
- NVD CVE-2020-35578
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.