CVE-1999-0203

CRITICAL 10.0CVE-1999-0203 · Published 17/08/1995 · updated 16/06/2026

In short

CVE-1999-0203 is a CRITICAL (CVSS 10.0) vulnerability affecting sendmail (eric allman).
Chance of exploitation in the next 30 days (EPSS): 2.1%, higher than 81.9% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
sendmail eric_allman	`= 8.6.10`	No fix yet

Description

In Sendmail, attackers can gain root privileges via SMTP by specifying an improper "mail from" address and an invalid "rcpt to" address that would cause the mail to bounce to a program.

References

exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0203

More vulnerabilities in sendmail

See all →

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free