How severe is CVE-2002-0793?

CVE-2002-0793 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2002-0793 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-0793?

CVE-2002-0793 affects Blackberry Qnx Neutrino Real-time Operating System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2002-0793?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2002-0793 published?

CVE-2002-0793 was published on 2002-08-12 and last updated on 2026-06-16.

CVE-2002-0793

CVE-2002-0793 is a medium-severity vulnerability in Blackberry Qnx Neutrino Real-time Operating System with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-59.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.6
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-59
Affected product: Blackberry Qnx Neutrino Real-time Operating System
Published: 2002-08-12
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2002-0793?: 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.
How severe is CVE-2002-0793?: CVE-2002-0793 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2002-0793 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0793?: CVE-2002-0793 affects Blackberry Qnx Neutrino Real-time Operating System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2002-0793?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2002-0793 published?: CVE-2002-0793 was published on 2002-08-12 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:blackberry:qnx_neutrino_real-time_operating_system:4.25:*:*:*:*:*:*:*

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