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Vulnerability record · CVE-1999-0204 · published 1 January 1997
CVE-1999-0204: Eric allman sendmail vulnerability
EEric Allman · Sendmail
Sendmail 8.6.9 allows remote attackers to execute root commands, using ident.
10.0 CVSS 2.0 High EPSS 8.8% · top 5.0%
10.0CVSS 2.0 base score
8.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
16 Jun 2026Last modified by NVD
Description
Sendmail 8.6.9 allows remote attackers to execute root commands, using ident.
AV:N/AC:L/Au:N/C:C/I:C/A:C
Affected products
1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
Track CVE-1999-0204 inside VULONE
Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.
Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
10.0CVE-1999-0047Eric allman sendmail vulnerabilityMIME conversion buffer overflow in sendmail versions 8.8.3 and 8.8.4.EPSS 3.1%10.0CVE-1999-0206Eric allman sendmail vulnerabilityMIME buffer overflow in Sendmail 8.8.0 and 8.8.1 gives root access.EPSS 1.9%10.0CVE-1999-0203Eric allman sendmail vulnerabilityIn Sendmail, attackers can gain root privileges via SMTP by specifying an improper "mail from" address and an invalid "rcpt to" address that would ca…EPSS 2.1%10.0CVE-1999-0095Eric allman sendmail vulnerabilityThe debug command in Sendmail is enabled, allowing attackers to execute commands as root.EPSS 16%7.2CVE-1999-0163Eric allman sendmail vulnerabilityIn older versions of Sendmail, an attacker could use a pipe character to execute root commands.EPSS 0.44%7.2CVE-1999-0130Caldera network desktop vulnerabilityLocal users can start Sendmail in daemon mode and gain root privileges.EPSS 1.1%7.2CVE-1999-0131Eric allman sendmail vulnerabilityBuffer overflow and denial of service in Sendmail 8.7.5 and earlier through GECOS field gives root access to local users.EPSS 0.57%7.2CVE-1999-0145Eric allman sendmail vulnerabilitySendmail WIZ command enabled, allowing root access.EPSS 0.98%
Source: NIST National Vulnerability Database (record CVE-1999-0204), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.
