CVE-2021-37343
A path traversal vulnerability exists in Nagios XI below version 5.8.5 AutoDiscovery component and could lead to post authenticated RCE under security context of the user running Nagios.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 23.8%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
A path traversal vulnerability exists in Nagios XI below version 5.8.5 AutoDiscovery component and could lead to post authenticated RCE under security context of the user running Nagios.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 23.82% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- nagios/nagios xi
- Source
- cve@mitre.org
EPSS 23.8% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://packetstormsecurity.com/files/165978/Nagios-XI-Autodiscovery-Shell-Upload.htmlExploit, Third Party Advisory, VDB Entry
- https://www.nagios.com/downloads/nagios-xi/change-log/Release Notes, Vendor Advisory
- http://packetstormsecurity.com/files/165978/Nagios-XI-Autodiscovery-Shell-Upload.htmlExploit, Third Party Advisory, VDB Entry
- https://www.nagios.com/downloads/nagios-xi/change-log/Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.