CVE-2020-3259 · CVSS 7.5 HIGH · EPSS 72% · KEV 2024-02-15 · patch available
A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to retrieve memory contents on an affected device, which could lead to the disclosure of confidential information. The vulnerability is due to a buffer tracking issue when the software parses invalid URLs that are requested from the web services interface. An attacker could exploit this vulnerability by sending a crafted GET request to the web services interface. A successful exploit could allow the attacker to retrieve memory contents, which could lead to the disclosure of confidential information. Note: This vulnerability affects only specific AnyConnect and WebVPN configurations. For more information, see the Vulnerable Products section.
Is CVE-2020-3259 exploited?
Listed in the CISA KEV catalog on 2024-02-15.
Federal remediation due 2024-03-07.
Past that date by 958 days.
Used in ransomware campaigns.
EPSS puts exploitation in the next 30 days at 72%.
Public exploit code: none found in monitored sources.