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No exploitation reportedFix available

CVE-2018-18249

No exploitation reported by the sources we read.

  • Published2018-12-17
  • Fixed in2.6.2
  • WeaknessCWE-94

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Icinga Web 2 before 2.6.2 allows injection of PHP ini-file directives via vectors involving environment variables as the channel to send information to the attacker, such as a name=${PATH}_${APACHE_RUN_DIR}_${APACHE_RUN_USER} parameter to /icingaweb2/navigation/add or /icingaweb2/dashboard/new-dashlet.

Timeline

dates in UTC
  1. 2018-12-1715:29CVE publishedNVD

Versions per branch

NVD
Icinga icinga web 2
BranchAffectedFixed in
2.6< 2.6.22.6.2

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • icingaweb2Ubuntu:26.10all versions · no fixed version listed
  • icingaweb2Ubuntu:26.04:LTSall versions · no fixed version listed
  • icingaweb2Ubuntu:25.10all versions · no fixed version listed
  • icingaweb2Ubuntu:24.04:LTSall versions · no fixed version listed
  • icingaweb2Ubuntu:22.04:LTSall versions · no fixed version listed
  • icingaweb2Ubuntu:20.04:LTSall versions · no fixed version listed
  • icingaweb2Ubuntu:18.04:LTSall versions · no fixed version listed
  • icingaweb2Ubuntu:16.04:LTSall versions · no fixed version listed

8 more package ranges on OSV.dev

Full record on NVD

Fix

  1. Update Icinga icinga web 2 to 2.6.2

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2018-12-17
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-h88r-wm6r-9ghp

Frequently asked questions

What is CVE-2018-18249?

Icinga Web 2 before 2.6.2 allows injection of PHP ini-file directives via vectors involving environment variables as the channel to send information to the attacker, such as a name=${PATH}_${APACHE_RUN_DIR}_${APACHE_RUN_USER} parameter to /icingaweb2/navigation/add or /icingaweb2/dashboard/new-dashlet.

Is CVE-2018-18249 actively exploited?

Active exploitation of CVE-2018-18249 has not been confirmed. Its EPSS score was 1.5% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-18249?

CVE-2018-18249 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record