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CVE-2014-2653

23
FAUCET Score

CVE-2014-2653 describes a vulnerability in OpenSSH client versions 6.6 and earlier, where a malicious remote server can bypass SSHFP DNS record verification by presenting an unacceptable HostCertificate. This medium-severity flaw (CVSS 5.8) allows for information disclosure and modification (C:P/I:P) with medium attack complexity (AC:M). There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 6.6CPE matchmatch criteria
cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:a:openbsd:openssh:6.0:*:*:*:*:*:*:*
6.1CPE matchmatch criteria
cpe:2.3:a:openbsd:openssh:6.1:*:*:*:*:*:*:*
6.2CPE matchmatch criteria
cpe:2.3:a:openbsd:openssh:6.2:*:*:*:*:*:*:*
6.3CPE matchmatch criteria
cpe:2.3:a:openbsd:openssh:6.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.99%
Probability of exploitation in next 30 days
EPSS Percentile
78.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0199 is in the 67th percentile among its peer group of 23,725 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: openssh-0:5.3p1-104.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: openssh-0:6.6.1p1-11.el7
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: openssh

Vendor Advisories (1)

redhatCVE-2014-2653Moderate

openssh: failure to check DNS SSHFP records in certain scenarios

Mar 24, 2014

References

advisories.mageia.org / MGASA-2014-0166.html
aix.software.ibm.com / aix/efixes/security/openssh_advisory4.asc
lists.fedoraproject.org / pipermail/package-announce/2014-June/134026.html
lists.fedoraproject.org / pipermail/package-announce/2014-May/133537.html
marc.info
openwall.com / lists/oss-security/2014/03/26/7
rhn.redhat.com / errata/RHSA-2014-1552.html
rhn.redhat.com / errata/RHSA-2015-0425.html
bugs.debian.org / cgi-bin/bugreport.cgi
Exploit
secunia.com / advisories/59855
debian.org / security/2014/dsa-2894
mandriva.com / security/advisories
mandriva.com / security/advisories
oracle.com / technetwork/topics/security/bulletinoct2015-2511968.html
securityfocus.com / bid/66459
ubuntu.com / usn/USN-2164-1