---
id: CVE-1999-1506
title: >-
  Vulnerability in SMI Sendmail 4.0 and earlier, on SunOS up to 4.0.3, allows
  remote attackers to access user bin.
summary: >-
  Vulnerability in SMI Sendmail 4.0 and earlier, on SunOS up to 4.0.3, allows
  remote attackers to access user bin.
severity: high
cvss: 7.5
cvssVector: 'AV:N/AC:L/Au:N/C:P/I:P/A:P'
published: '1990-01-29'
updated: '2026-06-16'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-1999-1506'
references:
  - url: 'http://www.cert.org/advisories/CA-90.01.sun.sendmail.vulnerability'
    label: cve@mitre.org
  - url: 'http://www.securityfocus.com/bid/6'
    label: cve@mitre.org
  - url: 'http://www.cert.org/advisories/CA-90.01.sun.sendmail.vulnerability'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://www.securityfocus.com/bid/6'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.02655
epssPercentile: 0.85052
ingestedAt: '2026-06-19T03:39:00.665Z'
---

## Overview

Vulnerability in SMI Sendmail 4.0 and earlier, on SunOS up to 4.0.3, allows remote attackers to access user bin.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.