Risk Letters

Exploited vulnerability

CVE-2018-6882

TLP:CLEAR

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

Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability that might allow remote attackers to inject arbitrary web script or HTML.

Facts

  • Vendor: Synacor
  • Product: Zimbra Collaboration Suite (ZCS)
  • CVSS: 6.1
  • EPSS (probability of exploitation within 30 days): 29.8 %
  • On CISA's Known Exploited Vulnerabilities list since: 19 April 2022
  • First known exploitation: 19 April 2022
  • Used in ransomware campaigns (per CISA): Yes
  • CISA's deadline for US federal agencies: 10 May 2022
  • Weakness: CWE-79
  • First seen by Risk Letters: 19 April 2022

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