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No exploitation reportedFix available

CVE-2017-2661

No exploitation reported by the sources we read.

  • Published2018-03-12
  • Fixed in0.9.157
  • WeaknessCWE-79

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

ClusterLabs pcs before version 0.9.157 is vulnerable to a cross-site scripting vulnerability due to improper validation of Node name field when creating new cluster or adding existing cluster.

Timeline

dates in UTC
  1. 2018-03-1215:29CVE publishedNVD

Versions per branch

NVD
Clusterlabs pcs
BranchAffectedFixed in
0.9< 0.9.1570.9.157

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

  • pcsUbuntu:Pro:22.04:LTSall versions · fixed in 0.10.11-2ubuntu3+esm1
  • pcsUbuntu:Pro:20.04:LTSall versions · fixed in 0.10.4-3ubuntu0.1~esm1
  • pcsUbuntu:Pro:16.04:LTSall versions · fixed in 0.9.149-1ubuntu1.1+esm1
  • pcsDebian:14all versions · fixed in 0.9.155+dfsg-2
  • pcsDebian:13all versions · fixed in 0.9.155+dfsg-2
  • pcsDebian:12all versions · fixed in 0.9.155+dfsg-2

Full record on NVD

Fix

  1. Update Clusterlabs pcs to 0.9.157

Advisories and patches

Detection

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

Sources

  • NVDCVSS 3.06.1read 2026-10-23
  • NVDCVSS 2.04.3read 2026-10-23
  • CNAweakness (CWE)CWE-79known since 2026-10-23
  • NVDweakness (CWE)CWE-79read 2026-10-23
  • FIRST EPSSEPSS score1.2 %2026-11-08
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Published
2018-03-12
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-qc8r-mjjf-5j6v

Frequently asked questions

What is CVE-2017-2661?

ClusterLabs pcs before version 0.9.157 is vulnerable to a cross-site scripting vulnerability due to improper validation of Node name field when creating new cluster or adding existing cluster.

Is CVE-2017-2661 actively exploited?

Active exploitation of CVE-2017-2661 has not been confirmed. Its EPSS score was 1.2% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-2661?

CVE-2017-2661 has a CVSS v3 base score of 6.1 (MEDIUM severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

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