Vulnerability Report

CVE-2002-0987

Title: SCO OpenUNIX/UnixWare X server privilege escalation via popen to xkbcomp

Auth Bypass

Proof Of Concept

PoC Available for CVE-2002-0987

CWE Category NVD-CWE-noinfo

Published Date Sep 24, 2002

Modified Date Jun 16, 2026

Exploit Status Available

Score 7.2 CVSS v2.0

Exploit Probability (EPSS)

0.71%

Vulnerability Summary

CVE-2002-0987: X server (Xsco) in OpenUNIX 8.0.0 and UnixWare 7.1.1 does not drop privileges before calling programs such as xkbcomp using popen, which could allow local users to gain privileges.

Impacted Vendors

novell 1

caldera 1

Reference Links

ftp://ftp.sco.com/pub/updates/OpenUNIX/CSSA-2002-SCO.38 http://www.iss.net/security_center/static/9976.php http://www.osvdb.org/5044 http://www.securityfocus.com/bid/5575 ftp://ftp.sco.com/pub/updates/OpenUNIX/CSSA-2002-SCO.38 http://www.iss.net/security_center/static/9976.php http://www.osvdb.org/5044 http://www.securityfocus.com/bid/5575

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.2

Access Vector

N/A

Authentication

N/A

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2002-0987 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/21758

View Code

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 03, 2025 MODIFIED

Vulnerability data or affected products updated.

September 24, 2002 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.