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CVE-2005-2666

1.2 · LOW

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 th…

Published Aug 23, 2005openbsdCWE-255EPSS 1.18%

Overview

CVE-2005-2666 is a low-severity vulnerability affecting openbsd openssh. It was published on August 23, 2005 and has a CVSS 2.0 base score of 1.2 (LOW).

This vulnerability has a CVSS 2.0 base score of 1.2, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from openbsd. Update openssh to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Refftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2006.11/SCOSA-2006.11.txtRefnms.csail.mit.edu/projects/ssh/Refsecunia.com/advisories/19243Refsecunia.com/advisories/25098Refwww.eweek.com/article2/0%2C1759%2C1815795%2C00.aspRefwww.redhat.com/support/errata/RHSA-2007-0257.htmlRefoval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10201Refftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2006.11/SCOSA-2006.11.txtRefnms.csail.mit.edu/projects/ssh/Refsecunia.com/advisories/19243

How CyberStrike helps

Frequently asked questions

What is CVE-2005-2666?

CVE-2005-2666 is a low-severity vulnerability affecting openbsd openssh. It was published on August 23, 2005 and has a CVSS 2.0 base score of 1.2 (LOW).

How severe is CVE-2005-2666?

This vulnerability has a CVSS 2.0 base score of 1.2, rated LOW. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2005-2666?

Check the references section for vendor advisories and patches from openbsd. Update openssh to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2005-2666?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2005-2666 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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