CVE-2003-0370

CVE-2003-0370 is a high-severity vulnerability in Apple Safari 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

Konqueror Embedded and KDE 2.2.2 and earlier does not validate the Common Name (CN) field for X.509 Certificates, which could allow remote attackers to spoof certificates via a man-in-the-middle attack.

Frequently asked questions

What is CVE-2003-0370?
Konqueror Embedded and KDE 2.2.2 and earlier does not validate the Common Name (CN) field for X.509 Certificates, which could allow remote attackers to spoof certificates via a man-in-the-middle attack.
How severe is CVE-2003-0370?
CVE-2003-0370 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2003-0370 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0370?
CVE-2003-0370 primarily affects Apple Safari. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0370?
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-2003-0370 published?
CVE-2003-0370 was published on 2003-06-16 and last updated on 2026-06-16.

References

Affected products (10)

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