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Rewterz Threat Advisory – CVE-2022-20826 – Cisco Secure Firewalls Vulnerability

Severity

Medium

Analysis Summary

CVE-2022-20826

Node.js is vulnerable to HTTP request smuggling, caused by the failure to correctly handle header fields that are not terminated with CLRF by the llhttp parser in the http module. A remote attacker could send a specially-crafted request to lead to HTTP Request Smuggling (HRS). An attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.

Impact

Security Bypass

Indicators Of Compromise

CVE

  • CVE-2022-20826

Affected Vendors

Cisco

Affected Products

  • Cisco Secure Firewall 3100 Series

Remediation

Refer to Cisco Security Advisory for patch, upgrade or suggested workaround information.

Cisco Security Advisory

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