CVE-2020-3452

unknown KEV

Published 2021-11-03 · Modified 2021-11-03

CVSS v3

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CVSS v2

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VIR risk

1.5

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.

CISA KEV

Vendor: Cisco
Product: Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)
Due date: 2022-05-03

Predictions

Exploit likelihood

99%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cisa-kev — https://nvd.nist.gov/vuln/detail/CVE-2020-3452

Exploits

References

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

Verify integrity in audit chain (admin only). AS-IS.