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CVE-2001-1476

Published: Apr 21, 2005Updated: Apr 16, 2026 Sources: CVE List NVDNVD-CWE-Other

Patch Available

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 Vector Breakdown

Exploitability

AV:NAccess Vector

Network

AC:LAccess Complexity

Low

Au:NAuthentication

None

Impact

C:PConfidentiality

Partial

I:PIntegrity

Partial

A:PAvailability

Partial

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Weaknesses

Affected Products

On-premNetwork Device

Networking Infrastructure

sshcommercialNetworking Infrastructure

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

Official Patch Available

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/6490

exchange.xforce.ibmcloud.com

http://www.kb.cert.org/vuls/id/565052

Timeline

Published

Apr 21, 2005

Last Updated

Apr 16, 2026

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