CVE-2001-1476
SSH before 2.0, with RC4 encryption and the "disallow NULL passwords" option enabled, makes it easier for remote attackers to guess portions of user passwords by replaying user sessions with certain modifications, which trigger different messages…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.01%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
SSH before 2.0, with RC4 encryption and the "disallow NULL passwords" option enabled, makes it easier for remote attackers to guess portions of user passwords by replaying user sessions with certain modifications, which trigger different messages depending on whether the guess is correct or not.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 1.01% probability · 61th percentile
- CISA KEV
- Not listed
- Affected
- ssh/ssh
- Source
- cve@mitre.org
References
- http://www.kb.cert.org/vuls/id/565052Exploit, Patch, US Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6490
- http://www.kb.cert.org/vuls/id/565052Exploit, Patch, US Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6490
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.