diff --git a/README.md b/README.md
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+++ b/README.md
@@ -1033,4 +1033,5 @@ This list was initially populated using information from the following sources:
 | VMware | VMware Horizon DaaS | 9.1.x, 9.0.x | Affected  | No | [VMSA-2021-0028.1 (vmware.com)](https://www.vmware.com/security/advisories/VMSA-2021-0028.html) | | | 12/12/2021 |
 | VMware | VMware Horizon Cloud Connector | 1.x, 2.x | Affected | Yes | [VMSA-2021-0028.1 (vmware.com)](https://www.vmware.com/security/advisories/VMSA-2021-0028.html) | | | 12/12/2021 |
 |Zendesk|All Products|All Versions|Affected |No|[2021-12-13 Security Advisory - Apache Log4j (CVE-2021-44228)](https://support.zendesk.com/hc/en-us/articles/4413583476122)|Zendesk products are all cloud-based; thus there are no updates for the customers to install as the company is working on patching their infrastructure and systems.||12/13/2021|
+|Synacor|Zimbra|All Verisons| Not Affected|No|[Zimbra BLOG](https://blog.zimbra.com/2021/12/11825/) ||[Some precautions](https://imanudin.net/2021/12/14/zimbra-log4j-0day/comment-page-1/)|12/16/2021|
 |Zscaler|Multiple Products||Not Affected|No|[CVE-2021-44228 log4j Vulnerability](https://trust.zscaler.com/posts/9581)|||