CVE-2016-0721

Session fixation vulnerability in pcsd in pcs before 0.9.157.

8.1 HighFix available

Session fixation vulnerability in pcsd in pcs before 0.9.157.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

2.39%Up 1.2 points since Feb 4, 2022

What each source reports

NVD Score used 8.1

Session fixation vulnerability in pcsd in pcs before 0.9.157.

Record: CVE-2016-0721
CVSS 3.0: 8.1 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-384
Updated: 2026-11-02

CVE List No score

Session fixation vulnerability in pcsd in pcs before 0.9.157.

Record: CVE-2016-0721
Updated: 2026-11-02

EUVDEUVD-2016-0752 No score

Session fixation vulnerability in pcsd in pcs before 0.9.157.

Record: EUVD-2016-0752
Updated: 2026-11-03

GitHub AdvisoriesGHSA-25mh-8263-4259 8.1

Session fixation vulnerability in pcsd in pcs before 0.9.157.

Session fixation vulnerability in pcsd in pcs before 0.9.157.

Record: GHSA-25mh-8263-4259
CVSS 3.0: 8.1 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness: CWE-384
Updated: 2026-11-02

OSV 8.1

Session fixation vulnerability in pcsd in pcs before 0.9.157.

Record: CVE-2016-0721
CVSS 3.0: 8.1 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Updated: 2026-11-02

OSVDEBIAN-CVE-2016-0721 8.1

Session fixation vulnerability in pcsd in pcs before 0.9.157.

Record: DEBIAN-CVE-2016-0721
CVSS 3.0: 8.1 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2016-0721 8.1

Session fixation vulnerability in pcsd in pcs before 0.9.157.

Record: UBUNTU-CVE-2016-0721
CVSS 3.0: 8.1 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`pcs` Debian:12	before 0.9.149-1	0.9.149-1
`pcs` Debian:13	before 0.9.149-1	0.9.149-1
`pcs` Debian:14	before 0.9.149-1	0.9.149-1
`pcs` Red Hat:enterprise_linux:7::server From an advisory covering 2 CVEs	before 0:0.9.152-10.el7	0:0.9.152-10.el7
`pcs-debuginfo` Red Hat:enterprise_linux:7::server From an advisory covering 2 CVEs	before 0:0.9.152-10.el7	0:0.9.152-10.el7

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	affected
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-0721 is a high vulnerability (CVSS 8.1) in Clusterlabs Pcs, published April 21, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.39%, the 84th percentile. Fixed in pcs 0.9.149-1.

References

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