CVE-2020-3259βCisco ASA and FTD Information Disclosure Vulnerability
PUBLISHEDvulnerability record
2024-02-15 Β· last modified June 21, 2025
Metadata
Vulnerability Name
Cisco ASA and FTD Information Disclosure Vulnerability
Description
Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) contain an information disclosure vulnerability. An attacker could retrieve memory contents on an affected device, which could lead to the disclosure of confidential information due to a buffer tracking issue when the software parses invalid URLs that are requested from the web services interface. This vulnerability affects only specific AnyConnect and WebVPN configurations.
Known To Be Used in Ransomware Campaigns?
Action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.