Is CVE-2016-0721 in the CISA KEV catalog?

No. CVE-2016-0721 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-0721?

CVE-2016-0721 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2016-0721?

CVE-2016-0721 has an EPSS score of 2.29% (81th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-0721?

Upgrade pcs on debian 11 to 0.9.149-1 or later.

CVE & CISA-KEV Catalog

CVE-2016-0721

HIGHEPSS 81th pctl

8.1

CVSS v3

NVD

Description

Session fixation vulnerability in pcsd in pcs before 0.9.157.

CWE-384

How to fix

Remediation Available

pcsDebian

Fixed in:0.9.149-1CVE-2016-0721

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Exploit Intelligence

2.29%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Patch4

Third-Party Advisory4

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.