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Vulnerability record · CVE-1999-1138 · published 17 September 1993

CVE-1999-1138: Sco open desktop vulnerability

SSco · Open Desktop

SCO UNIX System V/386 Release 3.2, and other SCO products, installs the home directories (1) /tmp for the dos user, and (2) /usr/tmp for the asg user, which allows other users to gain access to those accounts since /tmp and /usr/tmp are world-writable.

10.0 CVSS 2.0 High EPSS 1.6% · top 25.7%
10.0CVSS 2.0 base score
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
4References
16 Jun 2026Last modified by NVD

Description

SCO UNIX System V/386 Release 3.2, and other SCO products, installs the home directories (1) /tmp for the dos user, and (2) /usr/tmp for the asg user, which allows other users to gain access to those accounts since /tmp and /usr/tmp are world-writable.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.cert.org/advisories/CA-1993-13.html US Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/546
http://www.cert.org/advisories/CA-1993-13.html US Government Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/546

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-1999-1138), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.