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CVE-2024-20353

exploited in the wild

CVSS

—

Reports

4

First seen

Apr 25

Last seen

Dec 2

Affected product

Cisco Adaptive Security Appliance (ASA), Firepower Threat Defense (FTD)

Associated actors

ArcaneDoor ×1 ByteToBreach ×1 Clop ×1 Elysium ×1 Everest ×1 FlexibleFerret ×1 Killnet ×1 Laundry Bear ×1 NoName057(16) ×1 PlushDaemon ×1 Rhadamanthys ×1 Sandworm ×1 UAC-0099 ×1 VenomRAT ×1

Recent reports

Cyber Brief November 2025: Operation Endgame, Sandworm Wipers, China AI Espionage

CERT-EU Threat IntelDec 2 High

Microsoft SmartScreen Prompt Protection Mechanism Failure (CVE-2024-29988)

NICS TaiwanMay 16 High

Cisco ASA and FTD Denial of Service Vulnerability (CVE-2024-20353)

NICS TaiwanMay 8 Critical

Multiple Vulnerabilities in Cisco ASA and Firepower Threat Defense Being Exploited in the Wild

GovCERT.HKApr 25

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