Is CVE-2016-2217 in the CISA KEV catalog?

No. CVE-2016-2217 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-2217?

CVE-2016-2217 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2016-2217?

CVE-2016-2217 has an EPSS score of 2.53% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-2217?

Upgrade socat on debian 11 to 1.7.3.1-1 or later.

CVE & CISA-KEV Catalog

CVE-2016-2217

MEDIUMEPSS 83th pctl

5.3

CVSS v3

NVD

Description

The OpenSSL address implementation in Socat 1.7.3.0 and 2.0.0-b8 does not use a prime number for the DH, which makes it easier for remote attackers to obtain the shared secret.

CWE-320

How to fix

Remediation Available

socatDebian

Fixed in:1.7.3.1-1CVE-2016-2217

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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

2.53%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Patch2

Third-Party Advisory1

openwall.com

Other references1

security.gentoo.org

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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.