CVE-2020-5791Improper neutralization of special elements used in an OS command in Nagios XI 5.7.3 allows a remote, authenticated admin user to execute…
- 7.2HighCVSS base score
- 78.6%Exploitation in 30 daysEPSS · top 0.4% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 3Public exploitsMetasploit, Nuclei and Exploit-DB
Description
Improper neutralization of special elements used in an OS command in Nagios XI 5.7.3 allows a remote, authenticated admin user to execute operating system commands with the privileges of the apache user.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list 2 Metasploit modules and an Exploit-DB entry for it.
Show the exploits3
Metasploit modules2 modules
- Nagios XI 5.6.0-5.7.3 - Mibs.php Authenticated Remote Code Exection (Metasploit module) (opens in a new tab)
exploit/linux/http/nagios_xi_mibs_authenticated_rceRank excellentdisclosed 20 Oct 2020
- Nagios XI Scanner (Metasploit module) (opens in a new tab)
auxiliary/scanner/http/nagios_xi_scannerRank normal
Exploit-DB1 entry
- Nagios XI 5.7.3 - 'mibs.php' Remote Command Injection (Authenticated) (Exploit-DB entry) (opens in a new tab)
EDB-ID 48959webapps, phppublished 28 Oct 2020Not verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By tenable
- 10 months later
· 10 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 78.6% · top 0.4% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.2.
Affected products
Nagios XI
- affected 5.7.3
References
References3
- https://www.tenable.com/security/research/tra-2020-58 (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/159743/Nagios-XI-5.7.3-Remote-Command-Injection.html (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/162235/Nagios-XI-5.7.3-Remote-Code-Execution.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2020-26948 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2020-5791)Record last updated .