Signature update version 73
New signatures rules are generated for the vulnerabilities identified in the week 2021-12-13. You can download and configure these signature rules to protect your appliance from security vulnerable attacks.
Signature version
Signatures are compatible with the following software versions of Citrix Application Delivery Controller (ADC) 11.1, 12.0, 12.1, 13.0 and 13.1.
NetScaler version 12.0 has reached end of life (EOL). For more information, see release life cycle page.
Note:
Enabling Post body and Response body signature rules might affect NetScaler CPU.
Common Vulnerability Entry (CVE) insight
Following is a list of signature rules, CVE IDs, and its description that are updated.
Note:
The below signature rules (999077, 999078, 999079, 999080) addresses both CVEs (CVE-2021-44228, and CVE-2021-45046).
| Signature rule | CVE ID | Description |
|---|---|---|
| 999077 | CVE-2021-44228, CVE-2021-45046 | WEB-MISC Apache Log4j - Remote Code Execution Vulnerability via FORM (CVE-2021-44228, CVE-2021-45046) |
| 999078 | CVE-2021-44228, CVE-2021-45046 | WEB-MISC Apache Log4j - Remote Code Execution Vulnerability via BODY (CVE-2021-44228, CVE-2021-45046) |
| 999079 | CVE-2021-44228, CVE-2021-45046 | WEB-MISC Apache Log4j - Remote Code Execution Vulnerability via HEADER (CVE-2021-44228, CVE-2021-45046) |
| 999080 | CVE-2021-44228, CVE-2021-45046 | WEB-MISC Apache Log4j - Remote Code Execution Vulnerability via URL (CVE-2021-44228, CVE-2021-45046) |