CVE-1999-0203
In Sendmail, attackers can gain root privileges via SMTP by specifying an improper "mail from"...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-1999-0203- CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-1999-0203- Updated
- 2026-11-02
EUVDEUVD-1999-0203 No score
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.
- Record
EUVD-1999-0203- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8vhw-fcrr-hw7r No score
In Sendmail, attackers can gain root privileges via SMTP by specifying an improper "mail from"...
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.
- Record
GHSA-8vhw-fcrr-hw7r- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-1999-0203 is a high vulnerability (CVSS 10.0) in Eric Allman Sendmail, published August 17, 1995. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.12%, the 81st percentile. No source names a fixed version.