Risk Letters

Exploited vulnerability

CVE-2019-9670

TLP:CLEAR

Synacor Zimbra Collaboration Suite (ZCS) Improper Restriction of XML External Entity Reference

Synacor Zimbra Collaboration Suite (ZCS) contains an improper restriction of XML external entity (XXE) vulnerability in the mailboxd component.

Facts

  • Vendor: Synacor
  • Product: Zimbra Collaboration Suite (ZCS)
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 100 %
  • On CISA's Known Exploited Vulnerabilities list since: 10 January 2022
  • First known exploitation: 10 January 2022
  • CISA's deadline for US federal agencies: 10 July 2022
  • Weakness: CWE-611
  • First seen by Risk Letters: 10 January 2022

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