CVE-2019-20197 in the critical feed json
In Nagios XI 5.6.9, an authenticated user is able to execute arbitrary OS commands via shell metacharacters in the id parameter to schedule…
published 2019-12-31 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-10751
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 22.6%
- EPSS 22.6% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
Summary
In Nagios XI 5.6.9, an authenticated user is able to execute arbitrary OS commands via shell metacharacters in the id parameter to schedulereport.php, in the context of the web-server user account.
Exploit prediction
22.57% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- code610.blogspot.com https://code610.blogspot.com/2019/12/postauth-rce-in-latest-nagiosxi.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/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
-
code610.blogspot.com
/2019/12/postauth-rce-in-latest-nagiosxi.html
exploit, third-party-advisory
Sources
- CVE List CVE-2019-20197
- NVD CVE-2019-20197
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.