CVE-2001-0950

CVE-2001-0950 is a high-severity vulnerability in Valicert Enterprise Validation Authority with a CVSS 3.x base score of 7.5. 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-331.

Key facts

Description

ValiCert Enterprise Validation Authority (EVA) Administration Server 3.3 through 4.2.1 uses insufficiently random data to (1) generate session tokens for HSMs using the C rand function, or (2) generate certificates or keys using /dev/urandom instead of another source which blocks when the entropy pool is low, which could make it easier for local or remote attackers to steal tokens or certificates via brute force guessing.

Frequently asked questions

What is CVE-2001-0950?
ValiCert Enterprise Validation Authority (EVA) Administration Server 3.3 through 4.2.1 uses insufficiently random data to (1) generate session tokens for HSMs using the C rand function, or (2) generate certificates or keys using /dev/urandom instead of another source which blocks when the entropy pool is low, which could make it easier for local or remote attackers to steal tokens or certificates via brute force guessing.
How severe is CVE-2001-0950?
CVE-2001-0950 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2001-0950 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0950?
CVE-2001-0950 affects Valicert Enterprise Validation Authority. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-0950?
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-2001-0950 published?
CVE-2001-0950 was published on 2001-12-04 and last updated on 2026-06-16.

References

Affected products (1)

More vulnerabilities in Valicert Enterprise Validation Authority

All CVEs affecting Valicert Enterprise Validation Authority →

Other CWE-331 vulnerabilities

Browse all CWE-331 vulnerabilities →