How severe is CVE-2001-0423?

CVE-2001-0423 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2001-0423 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0423?

CVE-2001-0423 affects Sun Solaris. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-0423?

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-2001-0423 published?

CVE-2001-0423 was published on 2001-07-02 and last updated on 2026-06-16.

CVE-2001-0423

CVE-2001-0423 is a high-severity vulnerability in Sun Solaris 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% (66th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sun Solaris
Published: 2001-07-02
Last modified: 2026-06-16

Description

Buffer overflow in ipcs in Solaris 7 x86 allows local users to execute arbitrary code via a long TZ (timezone) environmental variable, a different vulnerability than CAN-2002-0093.

Frequently asked questions

What is CVE-2001-0423?: Buffer overflow in ipcs in Solaris 7 x86 allows local users to execute arbitrary code via a long TZ (timezone) environmental variable, a different vulnerability than CAN-2002-0093.
How severe is CVE-2001-0423?: CVE-2001-0423 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2001-0423 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0423?: CVE-2001-0423 affects Sun Solaris. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-0423?: 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-2001-0423 published?: CVE-2001-0423 was published on 2001-07-02 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:sun:solaris:7.0:*:x86:*:*:*:*:*

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