Cisco Asyncos vulnerabilities
56 published vulnerabilities in Cisco Asyncos, 3 of them exploited in the wild. The most were published in 2022 (8), and 2 so far in 2026.
Cisco Asyncos vulnerabilities by year
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Most exploited Cisco Asyncos vulnerabilities
- CVE-2025-20393 Cisco Multiple Products Improper Input Validation
- CVE-2026-76519 Cisco Secure Email Gateway Relative Path Traversal
- CVE-2026-76461 Cisco Secure Email Gateway SQL Injection
- CVE-2024-20435 Command injection in Cisco Secure Web Appliance
- CVE-2019-15956 Cisco Web Security Appliance Unauthorized Device Reset Vulnerability
- CVE-2021-34698 Cisco Web Security Appliance Proxy Service Denial of Service Vulnerability
- CVE-2019-1947 Cisco Email Security Appliance Denial of Service Vulnerability
- CVE-2019-1886 Cisco Web Security Appliance HTTPS Certificate Denial of Service Vulnerability
- CVE-2018-15460 Cisco Email Security Appliance URL Filtering Denial of Service Vulnerability
- CVE-2018-0095 Privilege escalation in Cisco Email Security and Content Security Management Appliance
- CVE-2019-1884 Cisco Web Security Appliance Web Proxy Denial of Service Vulnerability
- CVE-2022-20653 Cisco Email Security Appliance DNS Verification Denial of Service Vulnerability
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