How severe is CVE-2000-0303?

CVE-2000-0303 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2000-0303 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0303?

CVE-2000-0303 affects Id Software Quake 3 Arena. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2000-0303?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2000-0303 published?

CVE-2000-0303 was published on 2000-05-03 and last updated on 2026-06-16.

CVE-2000-0303

CVE-2000-0303 is a medium-severity vulnerability in Id Software Quake 3 Arena with a CVSS 2.0 base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 6.4)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Id Software Quake 3 Arena
Published: 2000-05-03
Last modified: 2026-06-16

Description

Quake3 Arena allows malicious server operators to read or modify files on a client via a dot dot (..) attack.

Frequently asked questions

What is CVE-2000-0303?: Quake3 Arena allows malicious server operators to read or modify files on a client via a dot dot (..) attack.
How severe is CVE-2000-0303?: CVE-2000-0303 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2000-0303 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0303?: CVE-2000-0303 affects Id Software Quake 3 Arena. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2000-0303?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2000-0303 published?: CVE-2000-0303 was published on 2000-05-03 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:id_software:quake_3_arena:1.16n:*:*:*:*:*:*:*

More vulnerabilities in Id Software Quake 3 Arena

CVE-2006-2236 — High (CVSS 7.6): Buffer overflow in the Quake 3 Engine, as used by (1) ET 2.60, (2) Return to Castle Wolfenstein 1.41, and (3) Quake III…
CVE-2005-0983 — Medium (CVSS 5.0): Quake 3 engine, as used in multiple games, allows remote attackers to cause a denial of service (client disconnect) via…
CVE-2001-1289 — Medium (CVSS 5.0): Quake 3 arena 1.29f and 1.29g allows remote attackers to cause a denial of service (crash) via a malformed connection…

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