How severe is CVE-2002-0657?

CVE-2002-0657 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2002-0657 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-0657?

CVE-2002-0657 primarily affects Openssl. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-0657?

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-2002-0657 published?

CVE-2002-0657 was published on 2002-08-12 and last updated on 2026-06-16.

CVE-2002-0657

CVE-2002-0657 is a high-severity vulnerability in Openssl 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: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Openssl
Published: 2002-08-12
Last modified: 2026-06-16

Description

Buffer overflow in OpenSSL 0.9.7 before 0.9.7-beta3, with Kerberos enabled, allows attackers to execute arbitrary code via a long master key.

Frequently asked questions

What is CVE-2002-0657?: Buffer overflow in OpenSSL 0.9.7 before 0.9.7-beta3, with Kerberos enabled, allows attackers to execute arbitrary code via a long master key.
How severe is CVE-2002-0657?: CVE-2002-0657 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2002-0657 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0657?: CVE-2002-0657 primarily affects Openssl. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-0657?: 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-2002-0657 published?: CVE-2002-0657 was published on 2002-08-12 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:openssl:openssl:0.9.7:beta1:*:*:*:*:*:*
cpe:2.3:a:openssl:openssl:0.9.7:beta2:*:*:*:*:*:*

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