HIGHCVSS 8.6Actively exploited · CISA KEV since 2024-04-24Vulnerability

CVE-2024-20353

Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) contain an infinite loop vulnerability that can lead to remote denial of service condition.

Properties

Euvd product
Cisco Adaptive Security Appliance (ASA) Software, Cisco Firepower Threat Defense Software
Vulnerability name
Cisco ASA and FTD Denial of Service Vulnerability
First seen
2025-10-21T23:05:20+00:00
Cvss score
8.6
Epss score
0.70686
Last seen
2026-10-19T12:00:27+00:00
Due date
2024-05-01
Euvd assigner
cisco
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2024-04-24T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2024-04-24
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 (270 · showing 23)

AFFECTS_PRODUCT (267 · showing 20)

→[Product]cpe:2.3:o:cisco:adaptive_security_appliance_software:9.12.4.48:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:cisco:secure_firewall_threat_defense:7.0.2.1:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:cisco:secure_firewall_threat_defense:7.2.1:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:cisco:secure_firewall_threat_defense:7.1.0.1:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:cisco:secure_firewall_threat_defense:7.1.0.3:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:cisco:secure_firewall_threat_defense:7.0.0.1:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:cisco:secure_firewall_threat_defense:7.2.4:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:cisco:secure_firewall_threat_defense:7.0.5:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:cisco:secure_firewall_threat_defense:7.0.1.1:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:cisco:secure_firewall_threat_defense:7.2.5:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:cisco:secure_firewall_threat_defense:7.0.6.1:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:cisco:secure_firewall_threat_defense:7.0.6:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:cisco:secure_firewall_threat_defense:7.3.1.1:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:cisco:secure_firewall_threat_defense:7.3.1:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:cisco:secure_firewall_threat_defense:7.0.0:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:cisco:secure_firewall_threat_defense:7.2.3:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:cisco:secure_firewall_threat_defense:7.0.1:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:cisco:secure_firewall_threat_defense:7.2.4.1:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:cisco:secure_firewall_threat_defense:7.2.5.1:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:cisco:secure_firewall_threat_defense:7.2.2:*:*:*:*:*:*:*

DESCRIBES (1)

←[KEVEntry]Cisco ASA and FTD Denial of Service Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Loop with Unreachable Exit Condition ('Infinite Loop')

INVOLVES (1)

←[Signal]kev_added · 2024-04-24

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CVE-2024-20353 (CVSS 8.6) — Ninja Signal Threat Intelligence | Ninja Signal