SSH before 2.0 disables host key checking when connecting to the localhost, which allows remote attackers to silently redirect connections to the localhost by poisoning the client's DNS cache.
https://exchange.xforce.ibmcloud.com/vulnerabilities/6604
http://www.kb.cert.org/vuls/id/786900
Source: Mitre, NVD
Published: 2001-01-18
Updated: 2026-06-16
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 5.3
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS: 0.00824