CISA Known Exploited Vulnerability

CVE-2022-27926

Synacor · Zimbra Collaboration Suite (ZCS)

Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability

Date added 2023-04-03

BOD 22-01 due date 2023-04-24

CWE CWE-79, CWE-138

Ransomware Unknown

CISA description

Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability by allowing an endpoint URL to accept parameters without sanitizing.

Required action

Apply updates per vendor instructions.

Notes & references

https://wiki.zimbra.com/wiki/Security_Center
https://nvd.nist.gov/vuln/detail/CVE-2022-27926

Where this lands in 800-53

Vulnerability data triggers these controls during assessment and continuous monitoring.

RA-5 · Vulnerability Monitoring and Scanning
SI-2 · Flaw Remediation
CM-6 · Configuration Settings
SI-7 · Software, Firmware, and Information Integrity
CM-8 · System Component Inventory

External lookups

NVD · CVE-2022-27926
CVE.org · CVE-2022-27926
CISA KEV catalog (canonical)