How severe is CVE-2006-0515?

CVE-2006-0515 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2006-0515 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-2006-0515?

CVE-2006-0515 primarily affects Cisco Pix Firewall. In total, 66 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-0515?

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-2006-0515 published?

CVE-2006-0515 was published on 2006-05-09 and last updated on 2026-06-16.

CVE-2006-0515

CVE-2006-0515 is a high-severity vulnerability in Cisco Pix 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: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cisco Pix Firewall
Published: 2006-05-09
Last modified: 2026-06-16

Description

Cisco PIX/ASA 7.1.x before 7.1(2) and 7.0.x before 7.0(5), PIX 6.3.x before 6.3.5(112), and FWSM 2.3.x before 2.3(4) and 3.x before 3.1(7), when used with Websense/N2H2, allows remote attackers to bypass HTTP access restrictions by splitting the GET method of an HTTP request into multiple packets, which prevents the request from being sent to Websense for inspection, aka bugs CSCsc67612, CSCsc68472, and CSCsd81734.

Frequently asked questions

What is CVE-2006-0515?: Cisco PIX/ASA 7.1.x before 7.1(2) and 7.0.x before 7.0(5), PIX 6.3.x before 6.3.5(112), and FWSM 2.3.x before 2.3(4) and 3.x before 3.1(7), when used with Websense/N2H2, allows remote attackers to bypass HTTP access restrictions by splitting the GET method of an HTTP request into multiple packets, which prevents the request from being sent to Websense for inspection, aka bugs CSCsc67612, CSCsc68472, and CSCsd81734.
How severe is CVE-2006-0515?: CVE-2006-0515 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-0515 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-2006-0515?: CVE-2006-0515 primarily affects Cisco Pix Firewall. In total, 66 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-0515?: 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-2006-0515 published?: CVE-2006-0515 was published on 2006-05-09 and last updated on 2026-06-16.

References

Affected products (66)

cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0\(4\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.1.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:7.0.4.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:pix_firewall:6.2.2.111:*:*:*:*:*:*:*
cpe:2.3:a:cisco:pix_firewall:6.2.3_\(110\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:pix_firewall:6.3.3_\(133\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:firewall_services_module:2.3:*:*:*:*:*:*:*
cpe:2.3:h:cisco:firewall_services_module:3.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:2.7:*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:3.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:3.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:4.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:4.1\(6\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:4.1\(6b\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:4.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:4.2\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:4.2\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:4.2\(5\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:4.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:4.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:4.4\(4\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:4.4\(7.202\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:4.4\(8\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:5.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:5.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:5.1\(4\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:5.1\(4.206\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:5.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:5.2\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:5.2\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:5.2\(3.210\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:5.2\(5\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:5.2\(6\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:5.2\(7\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:5.2\(9\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:5.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:5.3\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:5.3\(1.200\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:pix_firewall_software:5.3\(2\):*:*:*:*:*:*:*

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