National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2001-0572 Detail


The SSH protocols 1 and 2 (aka SSH-2) as implemented in OpenSSH and other packages have various weaknesses which can allow a remote attacker to obtain the following information via sniffing: (1) password lengths or ranges of lengths, which simplifies brute force password guessing, (2) whether RSA or DSA authentication is being used, (3) the number of authorized_keys in RSA authentication, or (4) the lengths of shell commands.

Source:  MITRE      Last Modified:  08/22/2001

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
7.5 HIGH
(AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Not required to exploit
Impact Type:
Provides unauthorized access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name Exploit; Patch; Vendor Advisory External Source BUGTRAQ 20010318 Passive Analysis of SSH (Secure Shell) Traffic Vendor Advisory External Source CONECTIVA CLA-2001:391 US Government Resource External Source CERT-VN VU#596827 Patch; Vendor Advisory External Source MANDRAKE MDKSA-2001:033 Patch; Vendor Advisory External Source REDHAT RHSA-2001:033

Technical Details

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