CVE-2020-3259

HIGH7.5

CISA KEV

Published 2020-05-06 · Updated 2026-08-12 · Source psirt@cisco.com

Description

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.

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CWE-200

CISA Known-Exploited Vulnerability

Product: Cisco — Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)

Name: Cisco ASA and FTD Information Disclosure Vulnerability

Date added: 2024-02-15 · Due: 2024-03-07

USED IN RANSOMWARE

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

References

View on NVD

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