← Vulnerability feed

Vulnerability record · CVE-2006-0515 · published 9 May 2006

CVE-2006-0515: Cisco adaptive security appliance software vulnerability

Cisco · Adaptive Security Appliance Software

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.

7.5 CVSS 2.0 High EPSS 9.8% · top 4.6%
7.5CVSS 2.0 base score
9.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
22References, 2 tagged exploit
16 Jun 2026Last modified by NVD

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.

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.grok.org.uk/pipermail/full-disclosure/2006-May/045899.html
http://secunia.com/advisories/20044
http://securitytracker.com/id?1016039
http://securitytracker.com/id?1016040
http://www.cisco.com/en/US/products/sw/netmgtsw/ps2032/tsd_products_security_response09186a00806824ec.html
http://www.osvdb.org/25453
http://www.securityfocus.com/archive/1/433270/100/0/threaded
http://www.securityfocus.com/bid/17883 Exploit
http://www.vsecurity.com/bulletins/advisories/2006/cisco-websense-bypass.txt PatchVendor Advisory
http://www.vupen.com/english/advisories/2006/1738
https://exchange.xforce.ibmcloud.com/vulnerabilities/26308
http://lists.grok.org.uk/pipermail/full-disclosure/2006-May/045899.html
http://secunia.com/advisories/20044
http://securitytracker.com/id?1016039
http://securitytracker.com/id?1016040
http://www.cisco.com/en/US/products/sw/netmgtsw/ps2032/tsd_products_security_response09186a00806824ec.html
http://www.osvdb.org/25453
http://www.securityfocus.com/archive/1/433270/100/0/threaded
http://www.securityfocus.com/bid/17883 Exploit
http://www.vsecurity.com/bulletins/advisories/2006/cisco-websense-bypass.txt PatchVendor Advisory
http://www.vupen.com/english/advisories/2006/1738
https://exchange.xforce.ibmcloud.com/vulnerabilities/26308

Track CVE-2006-0515 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.9CVE-2025-20333Cisco ASA and FTD VPN web server buffer overflow allows root RCECisco Secure Firewall ASA and FTD Software fail to properly validate user-supplied input in HTTP(S) requests to the VPN web server, causing a classic…KEVEPSS 71%analysed9.1CVE-2023-20269Cisco ASA and FTD remote access VPN AAA separation flawCisco ASA and FTD remote access VPN features fail to properly separate AAA from the HTTPS management and site-to-site VPN features. An attacker can s…KEVEPSS 25%analysed8.8CVE-2016-6366Cisco ASA SNMP buffer overflow allows remote code executionCisco ASA, PIX and FWSM software through 9.4.2.3 contains a classic buffer overflow (CWE-120) reachable through crafted IPv4 SNMP packets. A remote a…KEVEPSS 88%analysed8.6CVE-2026-20349Cisco ASA and FTD SSL VPN HTTP request handling denial of serviceCisco Secure Firewall ASA and FTD software fail to properly check errors when processing HTTP requests in the Remote Access SSL VPN service. An unaut…KEVEPSS 1.0%analysed8.6CVE-2025-20362Cisco Secure Firewall ASA/FTD VPN web server missing authorizationThe VPN web server in Cisco Secure Firewall ASA and FTD software fails to properly validate user-supplied input in HTTP(S) requests, allowing access …KEVEPSS 87%analysed8.6CVE-2024-20353Cisco ASA and FTD web server HTTP header parsing DoSCisco ASA and FTD management and VPN web servers fail to fully check errors when parsing an HTTP header, so a crafted request can crash and reload th…KEVEPSS 71%analysed7.8CVE-2016-6367Cisco ASA CLI command injection privilege escalationCisco ASA Software before 8.4(1) on ASA 5500, ASA 5500-X, PIX, and FWSM devices mishandles invalid CLI commands, allowing command injection (CWE-77).…KEVEPSS 23%analysed7.5CVE-2020-3452Cisco ASA and FTD web services path traversal file readCisco ASA and FTD web services fail to validate URL input, allowing directory traversal sequences in HTTP requests to read files inside the web servi…KEVEPSS 100%analysed

Source: NIST National Vulnerability Database (record CVE-2006-0515), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.