How severe is CVE-2001-0949?

CVE-2001-0949 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2001-0949 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0949?

CVE-2001-0949 primarily affects Valicert Enterprise Validation Authority. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-0949?

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-2001-0949 published?

CVE-2001-0949 was published on 2001-12-04 and last updated on 2026-06-16.

CVE-2001-0949

CVE-2001-0949 is a high-severity vulnerability in Valicert Enterprise Validation Authority 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: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Valicert Enterprise Validation Authority
Published: 2001-12-04
Last modified: 2026-06-16

Description

Buffer overflows in forms.exe CGI program in ValiCert Enterprise Validation Authority (EVA) Administration Server 3.3 through 4.2.1 allows remote attackers to execute arbitrary code via long arguments to the parameters (1) Mode, (2) Certificate_File, (3) useExpiredCRLs, (4) listenLength, (5) maxThread, (6) maxConnPerSite, (7) maxMsgLen, (8) exitTime, (9) blockTime, (10) nextUpdatePeriod, (11) buildLocal, (12) maxOCSPValidityPeriod, (13) extension, and (14) a particular combination of parameters associated with private key generation that form a string of a certain length.

Frequently asked questions

What is CVE-2001-0949?: Buffer overflows in forms.exe CGI program in ValiCert Enterprise Validation Authority (EVA) Administration Server 3.3 through 4.2.1 allows remote attackers to execute arbitrary code via long arguments to the parameters (1) Mode, (2) Certificate_File, (3) useExpiredCRLs, (4) listenLength, (5) maxThread, (6) maxConnPerSite, (7) maxMsgLen, (8) exitTime, (9) blockTime, (10) nextUpdatePeriod, (11) buildLocal, (12) maxOCSPValidityPeriod, (13) extension, and (14) a particular combination of parameters associated with private key generation that form a string of a certain length.
How severe is CVE-2001-0949?: CVE-2001-0949 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-0949 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0949?: CVE-2001-0949 primarily affects Valicert Enterprise Validation Authority. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-0949?: 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-2001-0949 published?: CVE-2001-0949 was published on 2001-12-04 and last updated on 2026-06-16.

References

Affected products (11)

cpe:2.3:a:valicert:enterprise_validation_authority:3.3:*:*:*:*:*:*:*
cpe:2.3:a:valicert:enterprise_validation_authority:3.4:*:*:*:*:*:*:*
cpe:2.3:a:valicert:enterprise_validation_authority:3.5:*:*:*:*:*:*:*
cpe:2.3:a:valicert:enterprise_validation_authority:3.6:*:*:*:*:*:*:*
cpe:2.3:a:valicert:enterprise_validation_authority:3.7:*:*:*:*:*:*:*
cpe:2.3:a:valicert:enterprise_validation_authority:3.8:*:*:*:*:*:*:*
cpe:2.3:a:valicert:enterprise_validation_authority:3.9:*:*:*:*:*:*:*
cpe:2.3:a:valicert:enterprise_validation_authority:4.0:*:*:*:*:*:*:*
cpe:2.3:a:valicert:enterprise_validation_authority:4.1:*:*:*:*:*:*:*
cpe:2.3:a:valicert:enterprise_validation_authority:4.2:*:*:*:*:*:*:*
cpe:2.3:a:valicert:enterprise_validation_authority:4.2.1:*:*:*:*:*:*:*

More vulnerabilities in Valicert Enterprise Validation Authority

CVE-2001-0950 — High (CVSS 7.5): ValiCert Enterprise Validation Authority (EVA) Administration Server 3.3 through 4.2.1 uses insufficiently random data…
CVE-2001-0947 — High (CVSS 7.5): Forms.exe CGI program in ValiCert Enterprise Validation Authority (EVA) 3.3 through 4.2.1 allows remote attackers to…
CVE-2001-0948 — High (CVSS 7.5): Cross-site scripting (CSS) vulnerability in ValiCert Enterprise Validation Authority (EVA) 3.3 through 4.2.1 allows…

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