Risk Letters

Exploited vulnerability

CVE-2022-27924

TLP:CLEAR

Synacor Zimbra Collaboration Suite (ZCS) Command Injection Vulnerability

Synacor Zimbra Collaboration Suite (ZCS) allows an attacker to inject memcache commands into a targeted instance which causes an overwrite of arbitrary cached entries.

Facts

  • Vendor: Synacor
  • Product: Zimbra Collaboration Suite (ZCS)
  • CVSS: 9.8
  • EPSS (probability of exploitation within 30 days): 93.9 %
  • On CISA's Known Exploited Vulnerabilities list since: 4 August 2022
  • First known exploitation: 4 August 2022
  • Used in ransomware campaigns (per CISA): Yes
  • CISA's deadline for US federal agencies: 25 August 2022
  • Weakness: CWE-93
  • First seen by Risk Letters: 4 August 2022

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