How severe is CVE-2002-0311?

CVE-2002-0311 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2002-0311 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-0311?

CVE-2002-0311 primarily affects Caldera Unixware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-0311?

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

When was CVE-2002-0311 published?

CVE-2002-0311 was published on 2002-05-31 and last updated on 2026-06-16.

CVE-2002-0311

CVE-2002-0311 is a critical-severity vulnerability in Caldera Unixware with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 5% (90th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Caldera Unixware
Published: 2002-05-31
Last modified: 2026-06-16

Description

Vulnerability in webtop in UnixWare 7.1.1 and Open UNIX 8.0.0 allows local and possibly remote attackers to gain root privileges via shell metacharacters in the -c argument for (1) in scoadminreg.cgi or (2) service_action.cgi.

Frequently asked questions

What is CVE-2002-0311?: Vulnerability in webtop in UnixWare 7.1.1 and Open UNIX 8.0.0 allows local and possibly remote attackers to gain root privileges via shell metacharacters in the -c argument for (1) in scoadminreg.cgi or (2) service_action.cgi.
How severe is CVE-2002-0311?: CVE-2002-0311 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2002-0311 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0311?: CVE-2002-0311 primarily affects Caldera Unixware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-0311?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2002-0311 published?: CVE-2002-0311 was published on 2002-05-31 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:caldera:unixware:7.1.1:*:*:*:*:*:*:*
cpe:2.3:o:caldera:openunix:8.0:*:*:*:*:*:*:*

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CVE-2002-0677 — High (CVSS 7.5): CDE ToolTalk database server (ttdbserver) allows remote attackers to overwrite arbitrary memory locations with a zero,…
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