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    CVE-2016-6366

    Buffer overflow in Cisco Adaptive Security Appliance (ASA) Software through 9.4.2.3 on ASA 5500, ASA 5500-X, ASA Services Module, ASA 1000V, ASAv, Firepower 9300 ASA Security Module, PIX, and FWSM devices allows remote authenticated users to execute arbitrary code via crafted IPv4 SNMP packets, aka Bug ID CSCva92151 or EXTRABACON.

    Published:Aug 18, 2016
    Last Modified:Apr 22, 2026
    EPS:Aug 18, 2016
    EPSS Score:0.91389
    CVSS Score:8.8

    CISA Notification

    Description

    Buffer overflow in Cisco Adaptive Security Appliance (ASA) Software through 9.4.2.3 on ASA 5500, ASA 5500-X, ASA Services Module, ASA 1000V, ASAv, Firepower 9300 ASA Security Module, PIX, and FWSM devices allows remote authenticated users to execute arbitrary code via crafted IPv4 SNMP packets, aka Bug ID CSCva92151 or EXTRABACON.

    Required Action:

    Apply updates per vendor instructions.

    Notes:

    No extra notes provided.

    Due Date
    Jun 14, 2022
    1550 days ago
    Alert Date
    May 24, 2022
    1571 days ago

    Affected Products

    Vendor
    Cisco
    Product
    7604
    Vendor
    Cisco
    Product
    7606-s
    Vendor
    Cisco
    Product
    7609-s
    Vendor
    Cisco
    Product
    7613-s
    Vendor
    Cisco
    Product
    Adaptive Security Appliance Software
    Vendor
    Cisco
    Product
    Asa 1000v Cloud Firewall Software
    Vendor
    Cisco
    Product
    Asa 5500
    Vendor
    Cisco
    Product
    Asa 5500-x
    Vendor
    Cisco
    Product
    Asa 5500 Csc-ssm
    Vendor
    Cisco
    Product
    Asa 5505
    Vendor
    Cisco
    Product
    Asa 5506-x
    Vendor
    Cisco
    Product
    Asa 5506h-x
    Vendor
    Cisco
    Product
    Asa 5506w-x
    Vendor
    Cisco
    Product
    Asa 5508-x
    Vendor
    Cisco
    Product
    Asa 5510
    Vendor
    Cisco
    Product
    Asa 5512-x
    Vendor
    Cisco
    Product
    Asa 5515-x
    Vendor
    Cisco
    Product
    Asa 5516-x
    Vendor
    Cisco
    Product
    Asa 5520
    Vendor
    Cisco
    Product
    Asa 5525-x
    Vendor
    Cisco
    Product
    Asa 5540
    Vendor
    Cisco
    Product
    Asa 5545-x
    Vendor
    Cisco
    Product
    Asa 5550
    Vendor
    Cisco
    Product
    Asa 5555-x
    Vendor
    Cisco
    Product
    Asa 5580
    Vendor
    Cisco
    Product
    Asa 5585-x
    Vendor
    Cisco
    Product
    Catalyst 6500
    Vendor
    Cisco
    Product
    Catalyst 6500-e
    Vendor
    Cisco
    Product
    Catalyst 6503-e
    Vendor
    Cisco
    Product
    Catalyst 6504-e
    Vendor
    Cisco
    Product
    Catalyst 6506-e
    Vendor
    Cisco
    Product
    Catalyst 6509-e
    Vendor
    Cisco
    Product
    Catalyst 6509-neb-a
    Vendor
    Cisco
    Product
    Catalyst 6509-v-e
    Vendor
    Cisco
    Product
    Catalyst 6513
    Vendor
    Cisco
    Product
    Catalyst 6513-e
    Vendor
    Cisco
    Product
    Pix Firewall 501
    Vendor
    Cisco
    Product
    Pix Firewall 506
    Vendor
    Cisco
    Product
    Pix Firewall 506e
    Vendor
    Cisco
    Product
    Pix Firewall 515
    Vendor
    Cisco
    Product
    Pix Firewall 515e
    Vendor
    Cisco
    Product
    Pix Firewall 520
    Vendor
    Cisco
    Product
    Pix Firewall 525
    Vendor
    Cisco
    Product
    Pix Firewall 535
    Vendor
    Cisco
    Product
    Pix Firewall Software

    Exploits

    http://blogs.cisco.com/security/shadow-brokershttps://github.com/offensive-security/exploit-database-bin-sploits/raw/master/sploits/40258.ziphttps://zerosum0x0.blogspot.com/2016/09/reverse-engineering-cisco-asa-for.htmlhttp://blogs.cisco.com/security/shadow-brokershttps://github.com/offensive-security/exploit-database-bin-sploits/raw/master/sploits/40258.ziphttps://zerosum0x0.blogspot.com/2016/09/reverse-engineering-cisco-asa-for.htmlhttps://www.exploit-db.com/exploits/40258https://github.com/RiskSense-Ops/CVE-2016-6366

    References

    http://blogs.cisco.com/security/shadow-brokers
    http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160817-asa-snmp
    http://tools.cisco.com/security/center/viewErp.x?alertId=ERP-56516
    http://www.securityfocus.com/bid/92521
    http://www.securitytracker.com/id/1036637
    https://github.com/offensive-security/exploit-database-bin-sploits/raw/master/sploits/40258.zip
    https://www.exploit-db.com/exploits/40258/
    https://zerosum0x0.blogspot.com/2016/09/reverse-engineering-cisco-asa-for.html
    http://blogs.cisco.com/security/shadow-brokers
    http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160817-asa-snmp
    http://tools.cisco.com/security/center/viewErp.x?alertId=ERP-56516
    http://www.securityfocus.com/bid/92521
    http://www.securitytracker.com/id/1036637
    https://github.com/offensive-security/exploit-database-bin-sploits/raw/master/sploits/40258.zip
    https://www.exploit-db.com/exploits/40258/
    https://zerosum0x0.blogspot.com/2016/09/reverse-engineering-cisco-asa-for.html
    https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-6366

    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