A buffer overflow vulnerability in SonicOS allows a remote attacker to cause a Denial of Service (DoS) by sending a specially crafted request. This vulnerability affects SonicOS Gen5, Gen6, Gen7 platforms, and SonicOSv virtual firewalls.
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CVE-2021-20027
CVSS 3.1 · 7.5 High
EPSS 1.3%
KEV · Not listed
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CVE-2021-20031
A Host Header Redirection vulnerability in SonicOS potentially allows a remote attacker to redirect firewall management users to arbitrary web domains.
CVSS 3.1 · 6.1 Medium
EPSS 13.0%
KEV · Not listed
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CVE-2021-20046
A Stack-based buffer overflow in the SonicOS HTTP Content-Length response header allows a remote authenticated attacker to cause Denial of Service (DoS) and potentially results in code execution in the firewall. This vulnerability affected SonicOS Gen 5, Gen 6 and Gen 7 firmware versions.
CVSS 3.1 · 8.8 High
EPSS 2.0%
KEV · Not listed
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Products
CVE-2021-20048
A Stack-based buffer overflow in the SonicOS SessionID HTTP response header allows a remote authenticated attacker to cause Denial of Service (DoS) and potentially results in code execution in the firewall. This vulnerability affected SonicOS Gen 5, Gen 6 and Gen 7 firmware versions.
CVSS 3.1 · 8.8 High
EPSS 2.0%
KEV · Not listed
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Products
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