CVE-1999-0203
In Sendmail, attackers can gain root privileges via SMTP by specifying an improper "mail from"...
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 82nd percentile. No source names a fixed version.
- Severity
- 10.0 HighCVSS 2.0, NVD
- Exploit chance
- 2.12%EPSS, 82nd percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
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.
Exploit likelihood
Affected products
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 ListNo 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-1999-0203No 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-hw7rNo 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
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.