How severe is CVE-2002-2042?

CVE-2002-2042 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2002-2042 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-2042?

CVE-2002-2042 primarily affects Qnx Rtos. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-2042?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2002-2042 published?

CVE-2002-2042 was published on 2002-12-31 and last updated on 2026-06-16.

CVE-2002-2042

CVE-2002-2042 is a high-severity vulnerability in Qnx Rtos with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Qnx Rtos
Published: 2002-12-31
Last modified: 2026-06-16

Description

ptrace in the QNX realtime operating system (RTOS) 4.25 and 6.1.0 allows programs to attach to privileged processes, which could allow local users to execute arbitrary code by modifying running processes.

Frequently asked questions

What is CVE-2002-2042?: ptrace in the QNX realtime operating system (RTOS) 4.25 and 6.1.0 allows programs to attach to privileged processes, which could allow local users to execute arbitrary code by modifying running processes.
How severe is CVE-2002-2042?: CVE-2002-2042 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2002-2042 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-2042?: CVE-2002-2042 primarily affects Qnx Rtos. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-2042?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2002-2042 published?: CVE-2002-2042 was published on 2002-12-31 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:qnx:rtos:4.25:*:*:*:*:*:*:*
cpe:2.3:a:qnx:rtos:6.1.0:*:*:*:*:*:*:*

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CVE-2002-2040 — High (CVSS 7.2): The (1) phrafx and (2) phgrafx-startup programs in QNX realtime operating system (RTOS) 4.25 and 6.1.0 do not properly…
CVE-2002-2041 — High (CVSS 7.2): Multiple buffer overflows in realtime operating system (RTOS) 6.1.0 allows local users to execute arbitrary code via…

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