How severe is CVE-2002-0420?

CVE-2002-0420 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2002-0420 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-0420?

CVE-2002-0420 affects Claymore Systems Inc Puretls. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2002-0420?

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-2002-0420 published?

CVE-2002-0420 was published on 2002-08-12 and last updated on 2026-06-16.

CVE-2002-0420

CVE-2002-0420 is a high-severity vulnerability in Claymore Systems Inc Puretls 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: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Claymore Systems Inc Puretls
Published: 2002-08-12
Last modified: 2026-06-16

Description

Vulnerability in PureTLS before 0.9b2 related to injection attacks, which could possibly allow remote attackers to corrupt or hijack user sessions.

Frequently asked questions

What is CVE-2002-0420?: Vulnerability in PureTLS before 0.9b2 related to injection attacks, which could possibly allow remote attackers to corrupt or hijack user sessions.
How severe is CVE-2002-0420?: CVE-2002-0420 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2002-0420 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0420?: CVE-2002-0420 affects Claymore Systems Inc Puretls. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2002-0420?: 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-2002-0420 published?: CVE-2002-0420 was published on 2002-08-12 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:claymore_systems_inc:puretls:0.9b1:*:*:*:*:*:*:*

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