How severe is CVE-2000-0338?

CVE-2000-0338 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2000-0338 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0338?

CVE-2000-0338 affects Concurrent Versions Software Project Concurrent Versions Software. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2000-0338?

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

When was CVE-2000-0338 published?

CVE-2000-0338 was published on 2000-04-23 and last updated on 2026-06-16.

CVE-2000-0338

CVE-2000-0338 is a medium-severity vulnerability in Concurrent Versions Software Project Concurrent Versions Software with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-667.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-667
Affected product: Concurrent Versions Software Project Concurrent Versions Software
Published: 2000-04-23
Last modified: 2026-06-16

Description

Concurrent Versions Software (CVS) uses predictable temporary file names for locking, which allows local users to cause a denial of service by creating the lock directory before it is created for use by a legitimate CVS user.

Frequently asked questions

What is CVE-2000-0338?: Concurrent Versions Software (CVS) uses predictable temporary file names for locking, which allows local users to cause a denial of service by creating the lock directory before it is created for use by a legitimate CVS user.
How severe is CVE-2000-0338?: CVE-2000-0338 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2000-0338 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0338?: CVE-2000-0338 affects Concurrent Versions Software Project Concurrent Versions Software. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2000-0338?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2000-0338 published?: CVE-2000-0338 was published on 2000-04-23 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:concurrent_versions_software_project:concurrent_versions_software:-:*:*:*:*:*:*:*

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