How severe is CVE-2006-0621?

CVE-2006-0621 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2006-0621 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-0621?

CVE-2006-0621 affects Qnx Rtos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-0621?

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-2006-0621 published?

CVE-2006-0621 was published on 2006-02-09 and last updated on 2026-06-16.

CVE-2006-0621

CVE-2006-0621 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: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Qnx Rtos
Published: 2006-02-09
Last modified: 2026-06-16

Description

Multiple buffer overflows in QNX Neutrino RTOS 6.2.0 allow local users to execute arbitrary code via a long first argument to the (1) su or (2) passwd commands.

Frequently asked questions

What is CVE-2006-0621?: Multiple buffer overflows in QNX Neutrino RTOS 6.2.0 allow local users to execute arbitrary code via a long first argument to the (1) su or (2) passwd commands.
How severe is CVE-2006-0621?: CVE-2006-0621 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2006-0621 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-0621?: CVE-2006-0621 affects Qnx Rtos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-0621?: 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-2006-0621 published?: CVE-2006-0621 was published on 2006-02-09 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:qnx:rtos:6.2.0:*:*:*:*:*:*:*

More vulnerabilities in Qnx Rtos

CVE-2004-1390 — Critical (CVSS 10.0): Multiple buffer overflows in the PPPoE daemon (PPPoEd) in QNX RTP 6.1 allow remote attackers to execute arbitrary code…
CVE-2006-0623 — High (CVSS 7.2): QNX Neutrino RTOS 6.3.0 ships /etc/rc.d/rc.local with world-writable permissions, which allows local users to modify…
CVE-2005-1528 — High (CVSS 7.2): Untrusted search path vulnerability in the crttrap command in QNX Neutrino RTOS 6.2.1 allows local users to load…
CVE-2002-2042 — High (CVSS 7.2): ptrace in the QNX realtime operating system (RTOS) 4.25 and 6.1.0 allows programs to attach to privileged processes,…
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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