HIGHCVSS 8.6Actively exploited · CISA KEV since 2026-08-11Vulnerability
CVE-2026-20349
Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) contain a heap inspection vulnerability that could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.
Properties
- Euvd product
- Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, Cisco Secure Firewall Threat Defense (FTD) Software
- Vulnerability name
- Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Heap Inspection Vulnerability
- First seen
- 2026-09-16T20:15:35+00:00
- Cvss score
- 8.6
- Epss score
- 0.0101
- Last seen
- 2026-10-19T12:00:27+00:00
- Due date
- 2026-08-14
- Euvd assigner
- cisco
- Retrieved at
- 2026-10-21T01:24:49+00:00
- Exploited euvd since
- 2026-08-11T00:00:00+00:00
- Src batch id
- epss_history-20261020T103617Z-728ddd
- Source url
- https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
- Date added
- 2026-08-11
- Euvd base score version
- 3.1
- Score
- 8.6
- 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:C/C:N/I:N/A:H
- In Signal since
- initial import (Sep 2026)
- Euvd base score
- 8.6
Related Entities (200 · showing 23)
AFFECTS_PRODUCT (197 · showing 20)
DESCRIBES (1)
HAS_WEAKNESS (1)
INVOLVES (1)
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