CVE-2002-0793

Name: CVE-2002-0793
Creator: NVD / NIST
Published: 2002-08-12T04:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 1.34%

Last modified Jun 16, 2026

CVE-2002-0793 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Hard link and possibly symbolic link following vulnerabilities in QNX RTOS 4.25 (aka QNX4) allow local users to overwrite arbitrary files via (1) the -f argument to the monitor utility, (2) the -d argument to dumper, (3) the -c argument to crttrap, or (4) using the Watcom sample utility.. EPSS estimates a 1.34% chance of exploitation in the next 30 days.

Description

Hard link and possibly symbolic link following vulnerabilities in QNX RTOS 4.25 (aka QNX4) allow local users to overwrite arbitrary files via (1) the -f argument to the monitor utility, (2) the -d argument to dumper, (3) the -c argument to crttrap, or (4) using the Watcom sample utility.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

CVSS 3.0

/10

EPSS Probability

1.34%

67.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-59

Affected Software

Vendor	Product	Versions
Blackberry	Qnx Neutrino Real-Time Operating System	4.25

References

http://archives.neohapsis.com/archives/bugtraq/2002-05/0292.htmlBroken Link, Exploit, Vendor Advisory
http://www.iss.net/security_center/static/9231.phpBroken Link, Patch, Vendor Advisory
http://www.securityfocus.com/bid/4901Broken Link, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/4902Broken Link, Exploit, Patch, Third Party Advisory, VDB Entry, Vendor Advisory
http://www.securityfocus.com/bid/4903Broken Link, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/4904Broken Link, Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/9232Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/9233Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/9234Third Party Advisory, VDB Entry
http://archives.neohapsis.com/archives/bugtraq/2002-05/0292.htmlBroken Link, Exploit, Vendor Advisory
http://www.iss.net/security_center/static/9231.phpBroken Link, Patch, Vendor Advisory
http://www.securityfocus.com/bid/4901Broken Link, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/4902Broken Link, Exploit, Patch, Third Party Advisory, VDB Entry, Vendor Advisory
http://www.securityfocus.com/bid/4903Broken Link, Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/4904Broken Link, Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/9232Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/9233Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/9234Third Party Advisory, VDB Entry

Timeline

Published: Aug 12, 2002
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2002-0793?

How severe is CVE-2002-0793?

CVE-2002-0793 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.34% probability of exploitation in the next 30 days.

How do I fix CVE-2002-0793?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2002-0793?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST