{"id":"CVE-1999-0203","aliases":["EUVD-1999-0203","GHSA-8vhw-fcrr-hw7r"],"status":"published","title":"In Sendmail, attackers can gain root privileges via SMTP by specifying an improper \"mail from\"...","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.","severity":{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02124,"percentile":0.82034,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"1995-08-17T04:00:00Z","modified":"2026-06-16T21:47:54Z","products":[{"vendor":"eric_allman","product":"sendmail"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0203","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-0203"},{"url":"https://github.com/advisories/GHSA-8vhw-fcrr-hw7r"}],"sources":{"cve":[{"id":"CVE-1999-0203","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.","status":"published","published":"2000-04-25T04:00:00Z","modified":"2024-08-01T16:27:57.94Z","updated_at":"2026-11-02T14:33:53.911988Z"}],"euvd":[{"id":"EUVD-1999-0203","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.","status":"published","published":"2000-04-25T04:00:00Z","modified":"2024-08-01T16:27:57Z","updated_at":"2026-11-03T03:50:47.919374Z"}],"ghsa":[{"id":"GHSA-8vhw-fcrr-hw7r","title":"In Sendmail, attackers can gain root privileges via SMTP by specifying an improper \"mail from\"...","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.","status":"published","published":"2022-04-30T18:10:08Z","modified":"2023-01-29T05:01:09Z","updated_at":"2026-11-02T14:44:44.947771Z"}],"nvd":[{"id":"CVE-1999-0203","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.","status":"published","published":"1995-08-17T04:00:00Z","modified":"2026-06-16T21:47:54.237Z","cvss":[{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T13:58:19.254283Z"}]}}