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CVE-2015-1867

20
FAUCET Score

CVE-2015-1867 describes a privilege escalation vulnerability in Pacemaker versions prior to 1.1.13, affecting clusterlabs and Red Hat Enterprise Linux High Availability and Resilient Storage products. The flaw allows remote read-only users to gain elevated privileges by exploiting improper evaluation of added nodes through an 'acl' command. With a CVSS score of 7.5, this vulnerability is considered highly severe due to its network-based attack vector, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, nor are there any known public exploit codes or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_high_availability:6.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_high_availability:7.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_resilient_storage:6.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_resilient_storage:7.0:*:*:*:*:*:*:*
<= 1.1.12CPE matchmatch criteria
cpe:2.3:a:clusterlabs:pacemaker:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.00%
Probability of exploitation in next 30 days
EPSS Percentile
86.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0300 is in the 75th percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: pacemaker-0:1.1.12-8.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: pacemaker-0:1.1.13-10.el7
View patch

Vendor Advisories (1)

redhatCVE-2015-1867Moderate

pacemaker: acl read-only access allow role assignment

Mar 31, 2015

References

lists.fedoraproject.org / pipermail/package-announce/2015-November/170610.html
lists.fedoraproject.org / pipermail/package-announce/2015-October/169671.html
lists.fedoraproject.org / pipermail/package-announce/2015-October/169995.html
rhn.redhat.com / errata/RHSA-2015-1424.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2015-2383.html
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue Tracking
github.com / ClusterLabs/pacemaker/commit/84ac07c
security.gentoo.org / glsa/201710-08
securityfocus.com / bid/74231
Third Party Advisory