Is CVE-2014-2653 in the CISA KEV catalog?

No. CVE-2014-2653 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-2653?

CVE-2014-2653 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2014-2653?

CVE-2014-2653 has an EPSS score of 1.99% (78th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2014-2653?

Upgrade openssh on debian 11 to 1:6.6p1-1 or later.

CVE & CISA-KEV Catalog

CVE-2014-2653

MEDIUMEPSS 78th pctl

6.5

CVSS v3

NVD

Description

The verify_host_key function in sshconnect.c in the client in OpenSSH 6.6 and earlier allows remote servers to trigger the skipping of SSHFP DNS RR checking by presenting an unacceptable HostCertificate.

CWE-20Improper Input Validation

How to fix

Remediation Available

opensshDebian

Fixed in:1:6.6p1-1CVE-2014-2653

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

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Exploit Intelligence

1.99%probability of exploitation in 30 days

78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Exploit1

bugs.debian.org

Other references15

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

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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 2026-05-28.