cvedb.io
CVE-2020-3259
HIGH · CVSS 7.5 ⚠ KEV — EXPLOITED
EPSS exploitation probability: 99%
⚠ Listed in the CISA Known Exploited Vulnerabilities catalog — actively exploited.
Published 2024-02-15 · Last modified 2026-08-11T19:33:44.513

Summary

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 infor

Affected products

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

Does this affect you?

Add your gear to cvedb and we'll alert you only when Cisco ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.