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    CVE-2009-0626

    The SSLVPN feature in Cisco IOS 12.3 through 12.4 allows remote attackers to cause a denial of service (device reload or hang) via a crafted HTTPS packet.

    Published:Mar 27, 2009
    Last Modified:Apr 23, 2026
    EPS:Mar 27, 2009
    EPSS Score:0.01176
    CVSS Score:7.8

    Affected Products

    Vendor
    Cisco
    Product
    Ios

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-20301 (CVSS 8.6) — A vulnerability in the Extensible Messaging Client Protocol (XMCP), also referred to as the External Client pr…
    CVE-2026-20125 (CVSS 7.7) — A vulnerability in the HTTP Server feature of Cisco IOS Software and Cisco IOS XE Software Release 3E could al…
    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…
    CVE-2025-20239 (CVSS 8.6) — A vulnerability in the Internet Key Exchange Version 2 (IKEv2) feature of Cisco IOS Software, IOS XE Software,…

    References

    http://secunia.com/advisories/34438
    http://securitytracker.com/id?1021896
    http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90424.shtml
    http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml
    http://www.securityfocus.com/bid/34239
    http://www.vupen.com/english/advisories/2009/0851
    https://exchange.xforce.ibmcloud.com/vulnerabilities/49425
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6919
    http://secunia.com/advisories/34438
    http://securitytracker.com/id?1021896
    http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90424.shtml
    http://www.cisco.com/en/US/products/products_security_advisory09186a0080a90469.shtml
    http://www.securityfocus.com/bid/34239
    http://www.vupen.com/english/advisories/2009/0851
    https://exchange.xforce.ibmcloud.com/vulnerabilities/49425
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6919

    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