CISA Known Exploited Vulnerability

This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.

Remediation Deadline: May 3, 2022

CVE-2020-3452

High

EPSS 94.5%CISA KEV

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

Description

Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) contain an improper input validation vulnerability when HTTP requests process URLs. An attacker could exploit this vulnerability by sending a crafted HTTP request containing directory traversal character sequences to an affected device. A successful exploit could allow the attacker to view arbitrary files within the web services file system on the targeted device.

EPSS — Exploit Probability

94.5%

Higher than 100.0% of all CVEs

Required Action

https://nvd.nist.gov/vuln/detail/CVE-2020-3452

Risk Assessment

HIGH

In CISA KEV

High EPSS

Details

Severity: High
EPSS: 94.5%
CISA KEV: Yes
Ransomware: Unknown
Articles: 0

Timeline

Published

Nov 3, 2021

Added to KEV

Nov 3, 2021

Remediation Due

May 3, 2022

Affected Product

Cisco

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

View all Cisco CVEs

External Links

NVD (NIST)CVE Details MITRE CVE