CVE-2002-0002

CVE-2002-0002 is a high-severity vulnerability in Stunnel 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

Description

Format string vulnerability in stunnel before 3.22 when used in client mode for (1) smtp, (2) pop, or (3) nntp allows remote malicious servers to execute arbitrary code.

Frequently asked questions

What is CVE-2002-0002?
Format string vulnerability in stunnel before 3.22 when used in client mode for (1) smtp, (2) pop, or (3) nntp allows remote malicious servers to execute arbitrary code.
How severe is CVE-2002-0002?
CVE-2002-0002 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2002-0002 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0002?
CVE-2002-0002 primarily affects Stunnel. In total, 25 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-0002?
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-2002-0002 published?
CVE-2002-0002 was published on 2002-01-31 and last updated on 2026-06-16.

References

Affected products (25)

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