How severe is CVE-2003-0106?

CVE-2003-0106 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2003-0106 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0106?

CVE-2003-0106 affects Symantec Enterprise Firewall. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2003-0106?

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-2003-0106 published?

CVE-2003-0106 was published on 2003-04-02 and last updated on 2026-06-16.

CVE-2003-0106

CVE-2003-0106 is a high-severity vulnerability in Symantec Enterprise Firewall 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: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Symantec Enterprise Firewall
Published: 2003-04-02
Last modified: 2026-06-16

Description

The HTTP proxy for Symantec Enterprise Firewall (SEF) 7.0 allows proxy users to bypass pattern matching for blocked URLs via requests that are URL-encoded with escapes, Unicode, or UTF-8.

Frequently asked questions

What is CVE-2003-0106?: The HTTP proxy for Symantec Enterprise Firewall (SEF) 7.0 allows proxy users to bypass pattern matching for blocked URLs via requests that are URL-encoded with escapes, Unicode, or UTF-8.
How severe is CVE-2003-0106?: CVE-2003-0106 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2003-0106 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0106?: CVE-2003-0106 affects Symantec Enterprise Firewall. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-0106?: 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-2003-0106 published?: CVE-2003-0106 was published on 2003-04-02 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:symantec:enterprise_firewall:7.0:*:*:*:*:*:*:*

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