What’s Vulnerable › Vulnerabilities

CVE-2001-1459

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2001-06-19 · updated 2026-06-16

Description

OpenSSH 2.9 and earlier does not initiate a Pluggable Authentication Module (PAM) session if commands are executed with no pty, which allows local users to bypass resource limits (rlimits) set in pam.d.

Affected products

• OpenSSH: 2.1, 2.1.1, 2.2, 2.3, 2.5, 2.5.1 (+2)

References

• http://marc.info/?l=bugtraq&m=99324968918628&w=2
• http://www.kb.cert.org/vuls/id/797027
• http://www.securityfocus.com/bid/2917
• https://exchange.xforce.ibmcloud.com/vulnerabilities/6757
• http://marc.info/?l=bugtraq&m=99324968918628&w=2
• http://www.kb.cert.org/vuls/id/797027
• http://www.securityfocus.com/bid/2917
• https://exchange.xforce.ibmcloud.com/vulnerabilities/6757

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