How severe is CVE-2018-15708?

CVE-2018-15708 has a CVSS score of 9.8/10, rated CRITICAL. Immediate patching is strongly recommended.

Which packages are affected by CVE-2018-15708?

Affected package information for CVE-2018-15708 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2018-15708?

No fixed version has been published for CVE-2018-15708 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2018-15708 actively exploited in the wild?

Yes. There are 5 known exploit references for CVE-2018-15708, including 2 documented proof-of-concept exploits on Exploit-DB and 3 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2018-15708?

CVE-2018-15708 has an EPSS (Exploit Prediction Scoring System) score of 91.3%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

Which products and versions are affected by CVE-2018-15708?

CVE-2018-15708 affects nagios nagios xi (1 version, e.g. 5.5.6). Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2018-15708 published, and has it been updated?

CVE-2018-15708 was published on November 14, 2018 and was last updated on November 21, 2024. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CVE-2018-15708

CRITICAL

Snoopy 1.0 in Nagios XI 5.5.6 allows remote unauthenticated attackers to execute arbitrary commands via a crafted HTTP request.

Published

Nov 14, 2018

Updated

Nov 21, 2024

Affected

0 pkgs

Patched

None yet

Exploits

5 known

EPSS Exploitation Probability

via FIRST.org ↗

91.3%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

Snoopy 1.0 in Nagios XI 5.5.6 allows remote unauthenticated attackers to execute arbitrary commands via a crafted HTTP request.

Affected Products

1 product · 1 configurations

Application

nagios xinagios

1 version

5.5.6

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-46221webappslinux

Nagios XI 5.5.6 - Remote Code Execution / Privilege Escalation

by Chris Lyne · Jan 23, 2019

Exploit-DB Source

EDB-47039remotelinux✓ Verified

Nagios XI 5.5.6 - Magpie_debug.php Root Remote Code Execution (Metasploit)

by Metasploit · Jun 26, 2019

Exploit-DB Source

Frequently Asked Questions

Snoopy 1.0 in Nagios XI 5.5.6 allows remote unauthenticated attackers to execute arbitrary commands via a crafted HTTP request.

O3 Security · Impact-Aware SCA

Is CVE-2018-15708 in your stack?

O3 detects CVE-2018-15708 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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