CVE-1999-1266

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 1997-06-13 · updated 2026-06-16

Description

rsh daemon (rshd) generates different error messages when a valid username is provided versus an invalid name, which allows remote attackers to determine valid users on the system.

Affected products

Metamail Corporation Metamail: through 7.2

References

http://www.securityfocus.com/archive/1/6978
https://exchange.xforce.ibmcloud.com/vulnerabilities/1660
http://www.securityfocus.com/archive/1/6978
https://exchange.xforce.ibmcloud.com/vulnerabilities/1660

Get alerted when CVE-1999-1266 or the next vulnerability affects your stack