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CVE-2020-3259

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Information Disclosure Vulnerability

Published
Last modified
published
Listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub

Summary

Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software with the web services interface enabled, in specific AnyConnect and WebVPN configurations, are affected. An unauthenticated remote attacker could exploit this flaw to read device memory, potentially exposing confidential information.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original 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.

Timeline

  1. CVE published
  2. Added to CISA KEV

    CISA has evidence of exploitation in the wild

  3. CISA remediation deadline

    Due date for US federal agencies to patch

  4. Record last updated
  5. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • Cisco Cisco Adaptive Security Appliance (ASA) Software

    Version range not reported

References 1

tools.cisco.com