How severe is CVE-2001-0358?

CVE-2001-0358 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2001-0358 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0358?

CVE-2001-0358 primarily affects Sierra Half-life. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-0358?

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-2001-0358 published?

CVE-2001-0358 was published on 2001-06-27 and last updated on 2026-06-16.

CVE-2001-0358

CVE-2001-0358 is a high-severity vulnerability in Sierra Half-life with a CVSS 2.0 base score of 7.5. 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 7.5)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sierra Half-life
Published: 2001-06-27
Last modified: 2026-06-16

Description

Buffer overflows in Sierra Half-Life build 1573 and earlier allow remote attackers to execute arbitrary code via (1) a long map command, (2) a long exec command, or (3) long input in a configuration file.

Frequently asked questions

What is CVE-2001-0358?: Buffer overflows in Sierra Half-Life build 1573 and earlier allow remote attackers to execute arbitrary code via (1) a long map command, (2) a long exec command, or (3) long input in a configuration file.
How severe is CVE-2001-0358?: CVE-2001-0358 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-0358 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0358?: CVE-2001-0358 primarily affects Sierra Half-life. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-0358?: 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-2001-0358 published?: CVE-2001-0358 was published on 2001-06-27 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:sierra:half-life:*:*:*:*:*:*:*:*
cpe:2.3:a:valve_software:half-life:*:*:*:*:*:*:*:*

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