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The vulnerability of the Cisco AsyncOS operating system authentication service for Cisco Secure Web Appliances allows a hacker to bypass the authentication process.

🗓️ 21 Apr 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 1 Views

Cisco AsyncOS authentication service vulnerability allows bypassing authentication to gain unauthorized access.

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Detection
Refs
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ATTACKERKB
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cisco_systemsasyncosRange15.215.2.5-013
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21 Apr 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 25
CVSS 35.3
EPSS0.00299
1