CVE-2021-1501 Vulnerability Details

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CVE-2021-1501 Metadata Quick Info

CVE Published: 29/04/2021 | CVE Updated: 08/11/2024 | CVE Year: 2021
Source: cisco | Vendor: Cisco | Product: Cisco Adaptive Security Appliance (ASA) Software
Status : PUBLISHED

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CVE-2021-1501 Description

A vulnerability in the SIP inspection engine of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a crash and reload of an affected device, resulting in a denial of service (DoS) condition.The vulnerability is due to a crash that occurs during a hash lookup for a SIP pinhole connection. An attacker could exploit this vulnerability by sending crafted SIP traffic through an affected device. A successful exploit could allow the attacker to cause a crash and reload of the affected device.

Metrics

CVSS Version: 3.1 | Base Score: 8.6 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

l➤ Exploitability Metrics:
    Attack Vector (AV)* NETWORK
    Attack Complexity (AC)* LOW
    Privileges Required (PR)* NONE
    User Interaction (UI)* NONE
    Scope (S)* CHANGED

l➤ Impact Metrics:
    Confidentiality Impact (C)* NONE
    Integrity Impact (I)* NONE
    Availability Impact (A)* HIGH

Weakness Enumeration (CWE)

CWE-ID: CWE-613
CWE Name: CWE-613
Source: Cisco

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description: