Risk Letters

Exploited vulnerability

CVE-2022-24682

TLP:CLEAR

Synacor Zimbra Collaborate Suite (ZCS) Cross-Site Scripting Vulnerability

Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting (XSS) vulnerability in the Calendar feature that allows an attacker to execute arbitrary code.

Facts

  • Vendor: Synacor
  • Product: Zimbra Collaborate Suite (ZCS)
  • CVSS: 6.1
  • EPSS (probability of exploitation within 30 days): 30.9 %
  • On CISA's Known Exploited Vulnerabilities list since: 25 February 2022
  • First known exploitation: 25 February 2022
  • Used in ransomware campaigns (per CISA): Yes
  • CISA's deadline for US federal agencies: 11 March 2022
  • Weakness: CWE-79
  • First seen by Risk Letters: 25 February 2022

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD