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    CVE-2005-3921

    Cross-site scripting (XSS) vulnerability in Cisco IOS Web Server for IOS 12.0(2a) allows remote attackers to inject arbitrary web script or HTML by (1) packets containing HTML that an administrator views via an HTTP interface to the contents of memory buffers, as demonstrated by the URI /level/15/exec/-/buffers/assigned/dump; or (2) sending the router Cisco Discovery Protocol (CDP) packets with HTML payload that an administrator views via the CDP status pages. NOTE: these vectors were originally reported as being associated with the dump and packet options in /level/15/exec/-/show/buffers.

    Published:Nov 30, 2005
    Last Modified:Apr 16, 2026
    EPS:Nov 30, 2005
    EPSS Score:0.01599
    CVSS Score:2.6

    Affected Products

    Vendor
    Cisco
    Product
    Ios

    Exploits

    http://www.infohacking.com/INFOHACKING_RESEARCH/Our_Advisories/cisco/index.htmlhttp://www.securityfocus.com/bid/15602http://www.infohacking.com/INFOHACKING_RESEARCH/Our_Advisories/cisco/index.htmlhttp://www.securityfocus.com/bid/15602

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-20012 (CVSS 8.6) — A vulnerability in the Internet Key Exchange version 2 (IKEv2) feature of Cisco IOS Software, Cisco IOS XE Sof…
    CVE-2025-20363 (CVSS 9) — A vulnerability in the web services of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, Cisco…
    CVE-2025-20149 (CVSS 6.5) — A vulnerability in the CLI of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, local…
    CVE-2025-20327 (CVSS 7.7) — A vulnerability in the web UI of Cisco IOS Software could allow an authenticated, remote attacker with low pri…
    CVE-2025-20352 (CVSS 7.7) — A vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco IOS Software and Cisco IOS…
    CVE-2025-20160 (CVSS 8.1) — A vulnerability in the implementation of the TACACS+ protocol in Cisco IOS Software and Cisco IOS XE Software …
    CVE-2025-20253 (CVSS 8.6) — A vulnerability in the IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall ASA Software, and…
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    References

    http://secunia.com/advisories/17780
    http://secunia.com/advisories/18528
    http://securityreason.com/securityalert/227
    http://securitytracker.com/id?1015275
    http://www.cisco.com/warp/public/707/cisco-sa-20051201-http.shtml
    http://www.idefense.com/intelligence/vulnerabilities/display.php?id=372
    http://www.infohacking.com/INFOHACKING_RESEARCH/Our_Advisories/cisco/index.html
    http://www.securityfocus.com/archive/1/417916/100/0/threaded
    http://www.securityfocus.com/bid/15602
    http://www.securityfocus.com/bid/16291
    http://www.vupen.com/english/advisories/2005/2657
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5867
    http://secunia.com/advisories/17780
    http://secunia.com/advisories/18528
    http://securityreason.com/securityalert/227
    http://securitytracker.com/id?1015275
    http://www.cisco.com/warp/public/707/cisco-sa-20051201-http.shtml
    http://www.idefense.com/intelligence/vulnerabilities/display.php?id=372
    http://www.infohacking.com/INFOHACKING_RESEARCH/Our_Advisories/cisco/index.html
    http://www.securityfocus.com/archive/1/417916/100/0/threaded
    http://www.securityfocus.com/bid/15602
    http://www.securityfocus.com/bid/16291
    http://www.vupen.com/english/advisories/2005/2657
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5867

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High