Signature update for March 2021

New signatures rules are generated for the vulnerabilities identified in the week 2021-03-09. You can download and configure these signature rules to protect your appliance from security vulnerable attacks.

Signature version

Signature version 60 applicable for NetScaler VPX 11.1, NetScaler 12.0, Citrix ADC 12.1, Citrix ADC 13.0 platforms.

Note:

Enabling Post body and Response body signature rules might affect Citrix ADC CPU.

Common Vulnerability Entry (CVE) insight

Following is a list of signature rules, CVE IDs, and its description.

Signature rule CVE ID Description
999311 CVE-2021-26855 WEB-MISC Microsoft Exchange Server - Remote Code Execution Vulnerability Via X-AnonResource-Backend (CVE-2021-26855)
999312 CVE-2021-26855 WEB-MISC Microsoft Exchange Server - Remote Code Execution Vulnerability Via X-BEResource (CVE-2021-26855)
Signature update for March 2021