CVE-2024-20493
Oct. 25, 2024, 12:56 p.m.
Tags
CVSS Score
Product(s) Impacted
Cisco Adaptive Security Appliance (ASA) Software
Cisco Firepower Threat Defense (FTD) Software
Description
A vulnerability in the login authentication functionality of the Remote Access SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to deny further VPN user authentications for several minutes, resulting in a temporary denial of service (DoS) condition. This vulnerability is due to ineffective handling of memory resources during the authentication process. An attacker could exploit this vulnerability by sending crafted packets, which could cause resource exhaustion of the authentication process. A successful exploit could allow the attacker to deny authentication for Remote Access SSL VPN users for several minutes, resulting in a temporary DoS condition.
Weaknesses
CWE-772
Missing Release of Resource after Effective Lifetime
The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.
CWE ID: 772Date
Published: Oct. 23, 2024, 6:15 p.m.
Last Modified: Oct. 25, 2024, 12:56 p.m.
Status : Awaiting Analysis
CVE has been recently published to the CVE List and has been received by the NVD.
More infoSource
ykramarz@cisco.com
CVSS Data
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Base Score
Exploitability Score
Impact Score
Base Severity
MEDIUMCVSS Vector String
The CVSS vector string provides an in-depth view of the vulnerability metrics.
View Vector StringCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L