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    CVE-2019-12678

    A vulnerability in the Session Initiation Protocol (SIP) inspection module of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper parsing of SIP messages. An attacker could exploit this vulnerability by sending a malicious SIP packet through an affected device. A successful exploit could allow the attacker to trigger an integer underflow, causing the software to try to read unmapped memory and resulting in a crash.

    Published:Oct 2, 2019
    Last Modified:Aug 11, 2026
    EPS:Oct 2, 2019
    EPSS Score:0.01824
    CVSS Score:7.5

    Affected Products

    Vendor
    Cisco
    Product
    Adaptive Security Appliance
    Vendor
    Cisco
    Product
    Adaptive Security Appliance Software
    Vendor
    Cisco
    Product
    Asa 5505
    Vendor
    Cisco
    Product
    Asa 5510
    Vendor
    Cisco
    Product
    Asa 5512-x
    Vendor
    Cisco
    Product
    Asa 5515-x
    Vendor
    Cisco
    Product
    Asa 5520
    Vendor
    Cisco
    Product
    Asa 5525-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
    Secure Firewall Threat Defense

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    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