Home/CVE/Remote command execution (RCE) vulnerability in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to execut
CVE

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 execut

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.

HIGH · CVSS 8.8 EPSS 0.72459
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 1% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
▤

Affected Products & Versions

1
nagios xi>= 5.2.0 and < 5.4.13
⚠

Public Exploits & PoCs

5
remoteNagios XI 5.2.6-5.4.12 - Chained Remote Code Execution (Metasploit)verified
webappsNagios XI 5.2.6 < 5.2.9 / 5.3 / 5.4 - Chained Remote Rootverified
pocblog.redactedsec.net · nagios.htmlblog.redactedsec.net
pocwww.exploit-db.com · 44560www.exploit-db.com
pocwww.exploit-db.com · 44969www.exploit-db.com
◈

Detection Rules (IDS/IPS)

8
et-openET EXPLOIT FTPShell client Stack Buffer Overflowattempted-user
et-openET EXPLOIT Nagios XI SQL Injectionattempted-user
et-openET EXPLOIT Nagios XI Remote Code Executionattempted-user
et-openET EXPLOIT Nagios XI Remote Code Execution 2attempted-user
et-openET EXPLOIT Nagios XI SQL Injection 2attempted-user
et-openET EXPLOIT Nagios XI Set DB User Rootattempted-user
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Apr 2018 · 12:29 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXTRelease NotesVendor Advisory
https://gist.github.com/caleBot/f0a93b5a98574393e0139104eacc2d0fThird Party Advisory
https://www.nagios.com/downloads/nagios-xi/change-log/Release NotesVendor Advisory
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