Security readout for executives and security teams
CVE-2020-14145 is an OpenSSH client information leak during SSH algorithm negotiation. A network attacker positioned between a user and a new SSH server could use observable differences on first connection attempts, before the server host key is cached, to support targeted man-in-the-middle activity. Exposure is mainly on workstations, jump boxes, automation runners, and servers acting as SSH clients that initiate first-time connections to hosts over networks where interception is plausible. Treat this as a moderate hardening priority, not an emergency based on the supplied evidence. Focus on SSH client patching and trusted host-key practices for administrators, automation, and sensitive environments. Mitigation focus: Update OpenSSH client packages using operating system or vendor guidance.; Review Gentoo, NetApp, and upstream OpenSSH references for applicable fixed versions.; Preload or verify trusted host keys for critical SSH destinations..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-203: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2020-14145 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N2.23.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.9MediumVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/openssh/openssh-portable/compare/V_8_3_P1...V_8_4_P1CVE reference · x_refsource_MISC
- https://www.fzi.de/en/news/news/detail-en/artikel/fsa-2020-2-ausnutzung-eines-informationslecks-fuer-gezielte-mitm-angriffe-auf-ssh-clients/CVE reference · x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20200709-0004/CVE reference · x_refsource_CONFIRM
- https://anongit.mindrot.org/openssh.git/commit/?id=b3855ff053f5078ec3d3c653cdaedefaa5fc362dCVE reference · x_refsource_MISC
- https://docs.ssh-mitm.at/CVE-2020-14145.htmlCVE reference · x_refsource_MISC
- https://github.com/ssh-mitm/ssh-mitm/blob/master/ssh_proxy_server/plugins/session/cve202014145.pyCVE reference · x_refsource_MISC
- GLSA-202105-35CVE reference · vendor-advisory, x_refsource_GENTOO
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.