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Vulnerability record · CVE-1999-1266 · published 13 June 1997

CVE-1999-1266: Metamail corporation metamail vulnerability

Metamail Corporation · Metamail

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.

5.0 CVSS 2.0 Medium EPSS 1.3% · top 30.5%
5.0CVSS 2.0 base score
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
16 Jun 2026Last modified by NVD

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.

AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2006-0709Metamail corporation metamail vulnerabilityBuffer overflow in Metamail 2.7-50 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via e-…EPSS 6.4%7.5CVE-2004-0104Metamail corporation metamail vulnerabilityMultiple format string vulnerabilities in Metamail 2.7 and earlier allow remote attackers to execute arbitrary code.EPSS 26%7.5CVE-2004-0105Metamail corporation metamail vulnerabilityMultiple buffer overflows in Metamail 2.7 and earlier allow remote attackers to execute arbitrary code.EPSS 8.2%5.0CVE-1999-1261Metamail corporation metamail vulnerabilityBuffer overflow in Rainbow Six Multiplayer allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long …EPSS 1.6%2.6CVE-1999-1263Metamail corporation metamail vulnerabilityMetamail before 2.7-7.2 allows remote attackers to overwrite arbitrary files via an e-mail message containing a uuencoded attachment that specifies t…EPSS 0.98%2.1CVE-2004-1808Metamail corporation metamail vulnerabilityExtcompose in metamail does not verify the output file before writing to it, which allows local users to overwrite arbitrary files via a symlink atta…EPSS 0.33%

Source: NIST National Vulnerability Database (record CVE-1999-1266), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.