CVE-2005-2666: n/a vulnerability

CVE-2005-2666: SSH, as implemented in OpenSSH before 4.0 and possibly other implementations, stores hostnames, IP addresse...

SSH, as implemented in OpenSSH before 4.0 and possibly other implementations, stores hostnames, IP addresses, and keys in plaintext in the known_hosts file, which makes it easier for an attacker that has compromised an SSH user's account to generate a list of additional targets that are more likely to have the same password or key.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 22:45 UTC (UTC+00:00)

Security readout for executives and security teams

This issue exposes where a compromised SSH user has connected before. In affected OpenSSH versions before 4.0, known_hosts stored hostnames, IP addresses, and keys in plaintext, helping an attacker pivot to likely related systems after an account compromise. Exposure is most likely in legacy Unix/Linux estates, appliances, or embedded systems using OpenSSH before 4.0, or other SSH implementations with plaintext known_hosts behavior. Modern supported OpenSSH deployments are less likely affected, but source evidence does not fully define every impacted product. Treat this as a legacy lateral-movement risk, not a standalone internet-facing emergency. Prioritize it during legacy SSH cleanup, account-compromise response, and credential-reuse reduction programs. Mitigation focus: Inventory systems and clients still running OpenSSH before 4.0.; Apply relevant vendor updates or configuration guidance for affected SSH packages.; Check vendor documentation for supported known_hosts privacy controls..

Prepared: Jun 29, 2026, 18:28 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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CVE-2005-2666 mapping review

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Aug 23, 2005, 04:00 UTC (UTC+00:00)

Official CVE source material

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.

0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
oval:org.mitre.oval:def:10201CVE reference · vdb-entry, signature

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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