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Fencer Intel
high 8.1

CVE-2016-0721 json

Session fixation vulnerability in pcsd in pcs before 0.9.157.

published 2017-04-21 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-0752

cvss
8.1
version 3.0, 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

Session fixation vulnerability in pcsd in pcs before 0.9.157.

Patch / fix

  • pcs Debian 14, Debian 13, Debian 12 0.9.149-1

debian advisories DEBIAN-CVE-2016-0721

  • pcs RHEL 7 0.9.152-10.el7

red hat advisories RHSA-2016:2596

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-2016-0721 updated cvss 4.3

pcs: cookies are not invalidated upon logout

  • Red Hat Enterprise Linux 6 pcs
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Server High Availability (v. 7) pcs 0.9.152-10.el7 Red Hat Enterprise Linux Server Resilient Storage (v. 7) pcs 0.9.152-10.el7
    fixed: vendor fix RHSA-2016:2596

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

2.39% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 8.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/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.