$ cve CVE-2002-0793 JSON

CVE-2002-0793 EXPLOIT

5.5

MEDIUM · CVSS 3.1 · EPSS 1.3% (pctl 71)

Patch early

A public exploit exists.

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.

Scoring

CVSS	5.5 (MEDIUM, v3.1)
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
EPSS	1.34% — more likely to be exploited than 71% of all CVEs
Weakness	CWE-59
On CISA KEV	no
Public exploit	yes
Published	2002-08-12
Last modified	2026-06-16

Affected (1)

Vendor	Product
blackberry	qnx neutrino real-time operating system

Public exploits

Source	Title	Date
exploit-db	QNX RTOS 4.25 - 'CRTTrap' File Disclosure	2002-05-31
exploit-db	QNX RTOS 4.25 - monitor Arbitrary File Modification	2002-05-31
exploit-db	QNX RTOS 4.25 - dumper Arbitrary File Modification	2002-05-31

References

→ the Explorer · watch your stack · NVD