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Fencer Intel
medium 4.3

CVE-2015-3983 json

The pcs daemon (pcsd) in PCS 0.9.137 and earlier does not include the HTTPOnly flag in a Set-Cookie header, which makes it easier for remot…

published 2015-05-14 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-4013

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

The pcs daemon (pcsd) in PCS 0.9.137 and earlier does not include the HTTPOnly flag in a Set-Cookie header, which makes it easier for remote attackers to obtain potentially sensitive information via script access to this cookie. NOTE: this issue was SPLIT from CVE-2015-1848 per ADT2 due to different vulnerability types.

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-2015-3983 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

2.08% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

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.