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Fencer Intel
medium 6.8

CVE-2015-1848 json

The pcs daemon (pcsd) in PCS 0.9.137 and earlier does not set the secure flag for a cookie in an https session, which makes it easier for r…

published 2015-05-14 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-1959

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

The pcs daemon (pcsd) in PCS 0.9.137 and earlier does not set the secure flag for a cookie in an https session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an http session. NOTE: this issue was SPLIT per ADT2 due to different vulnerability types. CVE-2015-3983 is for the issue with not setting the HTTPOnly flag.

Patch / fix

  • pcs RHEL 7 0.9.137-13.el7_1.2
  • python-clufter RHEL 7 0.9.137-13.el7_1.2
  • pcs RHEL 6 0.9.123-9.el6_6.2

red hat advisories RHSA-2015:0980RHSA-2015:0990

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-1848 updated cvss 6.8

pcs: improper web session variable signing

  • Red Hat Enterprise Linux High Availability (v. 6) pcs 0.9.123-9.el6_6.2 Red Hat Enterprise Linux Resilient Storage (v. 6) pcs 0.9.123-9.el6_6.2
    fixed: vendor fix RHSA-2015:0990
  • Red Hat Enterprise Linux Server High Availability (v. 7) pcs 0.9.137-13.el7_1.2, python-clufter 0.9.137-13.el7_1.2 Red Hat Enterprise Linux Server Resilient Storage (v. 7) pcs 0.9.137-13.el7_1.2, python-clufter 0.9.137-13.el7_1.2
    fixed: vendor fix RHSA-2015:0980

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.41% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bugzilla.redhat.com https://bugzilla.redhat.com/attachment.cgi?id=1009855 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.