SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-8735

Remote command execution (RCE) vulnerability in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to execute arbitrary commands on the target system, aka OS command injection.

EXPLOIT ×2 ✓HIGH 8.8EPSS 63.6%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 63.6%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

Remote command execution (RCE) vulnerability in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to execute arbitrary commands on the target system, aka OS command injection.

CVSS 3.0
8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
63.56% probability · 99th percentile
Public exploits
2 in Exploit-DB · verified · first 30 April 2018
CISA KEV
Not listed
Weakness
CWE-78
Affected
nagios/nagios xi
Source
cve@mitre.org
EPSS trend
0%33%65%27 October 2026: 63.56%27 October 202627 October 2026

EPSS 63.6% since 27 October 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.

Public exploits (2)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-44969source ↗Nagios XI 5.2.6-5.4.12 - Chained Remote Code Execution (Metasploit)linux · Metasploitremote2 July 2018yes
EDB-44560source ↗Nagios XI 5.2.6 < 5.2.9 / 5.3 / 5.4 - Chained Remote Rootphp · Jared Aravewebapps30 April 2018yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.