What’s Vulnerable › Vulnerabilities

CVE-2001-0572

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2001-08-22 · updated 2026-06-16

Description

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.

Affected products

• OpenSSH: 4.5
• Ssh: 1.2.24, 1.2.25, 1.2.26, 1.2.27, 1.2.28, 1.2.29 (+2)

References

• http://archives.neohapsis.com/archives/bugtraq/2001-03/0225.html
• http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000391
• http://www.kb.cert.org/vuls/id/596827
• http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-033.php3
• http://www.redhat.com/support/errata/RHSA-2001-033.html
• http://archives.neohapsis.com/archives/bugtraq/2001-03/0225.html
• http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000391
• http://www.kb.cert.org/vuls/id/596827
• http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-033.php3
• http://www.redhat.com/support/errata/RHSA-2001-033.html

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