openssh: failure to check DNS SSHFP records in certain scenarios
Published Mar 27, 2014
6.5
MEDIUMCVSS 3.1
EPSS 1.99%
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.
Affected products
No data.
No data.
Red Hat Enterprise Linux 6
openssh-0:5.3p1-104.el6
Fixed · RHSA-2014:1552
Red Hat Enterprise Linux 7
openssh-0:6.6.1p1-11.el7
Fixed · RHSA-2015:0425
Red Hat Enterprise Linux 5
openssh
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | openssh-0:5.3p1-104.el6 | Fixed | RHSA-2014:1552 |
| Red Hat Enterprise Linux 7 | openssh-0:6.6.1p1-11.el7 | Fixed | RHSA-2015:0425 |
| Red Hat Enterprise Linux 5 | openssh | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
The Red Hat Security Response Team has rated this issue as having Moderate security impact. This issue is not planned to be fixed in Red Hat Enterprise Linux 5 as it is now in Production 3 Phase of the support and maintenance life cycle, https://access.redhat.com/support/policy/updates/errata/
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:P/A:N
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed May 28, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (30 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.99% (0.01988) | 79.88th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.98% (0.01979) | 77.86th | v5 (v2026.06.15) |
| May 29, 2026 | 2.15% (0.02148) | 84.51th | v4 (v2025.03.14) |
| Feb 4, 2026 | 3.88% (0.03883) | 87.96th | v4 (v2025.03.14) |
| Feb 1, 2026 | 5.52% (0.05519) | 90.06th | v4 (v2025.03.14) |
| Jan 4, 2026 | 3.88% (0.03883) | 87.89th | v4 (v2025.03.14) |
| Jan 1, 2026 | 5.52% (0.05519) | 90.02th | v4 (v2025.03.14) |
| Dec 4, 2025 | 2.89% (0.02890) | 85.86th | v4 (v2025.03.14) |
| Dec 1, 2025 | 4.02% (0.04018) | 88.10th | v4 (v2025.03.14) |
| Nov 4, 2025 | 2.89% (0.02890) | 85.81th | v4 (v2025.03.14) |
| Nov 1, 2025 | 4.02% (0.04018) | 88.02th | v4 (v2025.03.14) |
| Oct 28, 2025 | 2.89% (0.02890) | 85.80th | v4 (v2025.03.14) |
| Oct 27, 2025 | 1.87% (0.01872) | 82.52th | v4 (v2025.03.14) |
| Oct 4, 2025 | 2.89% (0.02890) | 85.81th | v4 (v2025.03.14) |
| Oct 1, 2025 | 4.02% (0.04018) | 88.04th | v4 (v2025.03.14) |
| Jul 30, 2025 | 1.87% (0.01872) | 82.34th | v4 (v2025.03.14) |
| Jul 4, 2025 | 2.89% (0.02890) | 85.76th | v4 (v2025.03.14) |
| Jul 1, 2025 | 4.02% (0.04018) | 88.03th | v4 (v2025.03.14) |
| Jun 19, 2025 | 2.89% (0.02890) | 85.69th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.21% (0.01212) | 77.14th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.55% (0.02554) | 75.77th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.21% (0.01212) | 77.62th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.60% (0.00599) | 79.16th | v3 (v2023.03.01) |
| Mar 25, 2024 | 0.60% (0.00599) | 77.97th | v3 (v2023.03.01) |
| Nov 7, 2023 | 0.73% (0.00725) | 78.60th | v3 (v2023.03.01) |
| Apr 21, 2023 | 0.70% (0.00704) | 77.45th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.89% (0.00891) | 80.14th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
References (20)
- http://advisories.mageia.org/MGASA-2014-0166.html x_refsource_CONFIRM
- http://aix.software.ibm.com/aix/efixes/security/openssh_advisory4.asc x_refsource_CONFIRM
- http://lists.fedoraproject.org/pipermail/package-announce/2014-June/134026.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2014-May/133537.html vendor-advisoryx_refsource_FEDORA
- http://marc.info/?l=bugtraq&m=141576985122836&w=2 vendor-advisoryx_refsource_HP
- http://openwall.com/lists/oss-security/2014/03/26/7 mailing-listx_refsource_MLIST
- http://rhn.redhat.com/errata/RHSA-2014-1552.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2015-0425.html vendor-advisoryx_refsource_REDHAT
- http://secunia.com/advisories/59855 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2014/dsa-2894 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDVSA-2014:068 vendor-advisoryx_refsource_MANDRIVA
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:095 vendor-advisoryx_refsource_MANDRIVA
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/66459 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-2164-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2014-2653 Vendor Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=742513 x_refsource_CONFIRMExploit
- https://bugzilla.redhat.com/show_bug.cgi?id=1081338 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2014-2653
- https://www.cve.org/CVERecord?id=CVE-2014-2653
Change history (0)
No recorded changes yet.