CVE-2017-12847
Nagios Core before 4.3.3 creates a nagios.lock PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for nagios.lock modification before a root…
Does this matter?
Lower severity and a low EPSS score (0.79%). Track it; it rarely justifies an emergency change on its own.
Description
Nagios Core before 4.3.3 creates a nagios.lock PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for nagios.lock modification before a root script executes a "kill `cat /pathname/nagios.lock`" command.
- CVSS 3.0
- 6.3 MEDIUMCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
- EPSS
- 0.79% probability · 56th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-665
- Affected
- nagios/nagios
- Source
- cve@mitre.org
EPSS 0.8% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/100403Third Party Advisory, VDB Entry
- https://github.com/NagiosEnterprises/nagioscore/blob/master/ChangelogRelease Notes, Vendor Advisory
- https://github.com/NagiosEnterprises/nagioscore/commit/1b197346d490df2e2d3b1dcce5ac6134ad0c8752Patch, Vendor Advisory
- https://github.com/NagiosEnterprises/nagioscore/commit/3baffa78bafebbbdf9f448890ba5a952ea2d73cbPatch, Vendor Advisory
- https://github.com/NagiosEnterprises/nagioscore/issues/404Issue Tracking, Vendor Advisory
- https://security.gentoo.org/glsa/201710-20Third Party Advisory
- http://www.securityfocus.com/bid/100403Third Party Advisory, VDB Entry
- https://github.com/NagiosEnterprises/nagioscore/blob/master/ChangelogRelease Notes, Vendor Advisory
- https://github.com/NagiosEnterprises/nagioscore/commit/1b197346d490df2e2d3b1dcce5ac6134ad0c8752Patch, Vendor Advisory
- https://github.com/NagiosEnterprises/nagioscore/commit/3baffa78bafebbbdf9f448890ba5a952ea2d73cbPatch, Vendor Advisory
- https://github.com/NagiosEnterprises/nagioscore/issues/404Issue Tracking, Vendor Advisory
- https://security.gentoo.org/glsa/201710-20Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.