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CVE-2015-1848

18
FAUCET Score

CVE-2015-1848 describes a vulnerability in the pcs daemon (pcsd) in PCS 0.9.137 and earlier, affecting various Red Hat and Fedora Enterprise Linux products. The issue stems from the daemon failing to set the "secure" flag for cookies during HTTPS sessions, making these cookies susceptible to interception by remote attackers if transmitted over an insecure HTTP session. With a CVSS score of 6.8, this medium-severity vulnerability allows for potential compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.9.137CPE matchmatch criteria
cpe:2.3:a:fedora:pacemaker_configuration_system:*:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
6.6.zCPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_high_availability_eus:6.6.z:*:*:*:*:*:*:*
7.1CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_high_availability_eus:7.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.42%
Probability of exploitation in next 30 days
EPSS Percentile
82.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0242 is in the 72nd percentile among its peer group of 19,955 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, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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: pcs-0:0.9.123-9.el6_6.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: pcs-0:0.9.137-13.el7_1.2
View patch

Vendor Advisories (1)

redhatCVE-2015-1848Important

pcs: improper web session variable signing

May 12, 2015

References

lists.fedoraproject.org / pipermail/package-announce/2015-June/159374.html
lists.fedoraproject.org / pipermail/package-announce/2015-June/159401.html
lists.fedoraproject.org / pipermail/package-announce/2015-June/159412.html
rhn.redhat.com / errata/RHSA-2015-0980.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2015-0990.html
Third Party Advisory
bugzilla.redhat.com / attachment.cgi
ExploitIssue Tracking
securityfocus.com / bid/74623
Third Party Advisory