pcs: Improper node name field validation when creating clusters leads to XSS
Published Mar 12, 2018
6.1
MEDIUMCVSS 3.0
EPSS 1.18%
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.
Affected products
-
- Version 0.9.157StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| ClusterLabs | Pcs | n/a |
|
- < 0.9.157
No data.
Red Hat Enterprise Linux 6
pcs
Will not fix
Red Hat Enterprise Linux 7
pcs
Will not fix
Red Hat Storage 3
pcs
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | pcs | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | pcs | Will not fix | n/a |
| Red Hat Storage 3 | pcs | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
AV:N/AC:M/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.18% (0.01176) | 66.44th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.18% (0.01176) | 66.18th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.08% (0.00085) | 36.78th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.08% (0.00084) | 34.87th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00132) | 46.48th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.62% (0.00624) | 17.80th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
References (5)
- https://access.redhat.com/security/cve/CVE-2017-2661 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1428948 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://github.com/ClusterLabs/pcs/commit/1874a769b5720ae5430f10c6cedd234430bc703f x_refsource_CONFIRMPatch
- https://nvd.nist.gov/vuln/detail/CVE-2017-2661
- https://www.cve.org/CVERecord?id=CVE-2017-2661
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2017-2661 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1428948 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://github.com/ClusterLabs/pcs/commit/1874a769b5720ae5430f10c6cedd234430bc703f | x_refsource_CONFIRMPatch | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-2661 | ||
| https://www.cve.org/CVERecord?id=CVE-2017-2661 |
Change history (0)
No recorded changes yet.