CVE Catalog

CVE-2000-1002

Medium
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Very high risk
7.49%

94th percentile - higher than 94% of all known CVEs

Summary

The POP3 daemon in Stalker CommuniGate Pro 3.3.2 generates different error messages for invalid usernames versus invalid passwords. Remote attackers can determine valid email addresses on the server for SPAM attacks.

Risk Assessment

Email address enumeration may lead to increased risk of spam and phishing.

Recommendation

Update CommuniGate Pro to a version that does not reveal differences in error messages. Implement uniform error messages.

Related vulnerabilities

Original NVD description (English source)

POP3 daemon in Stalker CommuniGate Pro 3.3.2 generates different error messages for invalid usernames versus invalid passwords, which allows remote attackers to determine valid email addresses on the server for SPAM attacks.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS