HIGHCVSS 7.5Actively exploited · CISA KEV since 2021-11-03Vulnerability
CVE-2020-3452
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.
Properties
- Euvd product
- Cisco Adaptive Security Appliance (ASA) Software
- Vulnerability name
- Cisco ASA and FTD Read-Only Path Traversal Vulnerability
- First seen
- 2025-10-21T23:35:39+00:00
- Cvss score
- 7.5
- Epss score
- 0.99992
- Last seen
- 2026-10-19T12:00:27+00:00
- Due date
- 2022-05-03
- Euvd assigner
- cisco
- Retrieved at
- 2026-10-21T01:24:47+00:00
- Exploited euvd since
- 2021-11-03T00:00:00+00:00
- Src batch id
- epss_history-20261020T103617Z-728ddd
- Source url
- https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
- Date added
- 2021-11-03
- Euvd base score version
- 3.1
- Score
- 7.5
- Fetched at
- 2026-10-20T10:36:20+00:00
- Euvd vendor
- Cisco
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- In Signal since
- initial import (Sep 2026)
- Euvd base score
- 7.5
Related Entities (18)
AFFECTS_PRODUCT (14)
HAS_WEAKNESS (2)
DESCRIBES (1)
INVOLVES (1)
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