CVE-2001-1068

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2001-08-31 · updated 2026-06-16

Description

qpopper 4.01 with PAM based authentication on Red Hat systems generates different error messages when an invalid username is provided instead of a valid name, which allows remote attackers to determine valid usernames on the system.

Affected products

Qualcomm Qpopper: 4.0.1

References

http://archives.neohapsis.com/archives/bugtraq/2001-08/0363.html
http://www.securityfocus.com/bid/3242
https://exchange.xforce.ibmcloud.com/vulnerabilities/7047
http://archives.neohapsis.com/archives/bugtraq/2001-08/0363.html
http://www.securityfocus.com/bid/3242
https://exchange.xforce.ibmcloud.com/vulnerabilities/7047

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