Risk Letters

Exploited vulnerability

CVE-2023-2868

TLP:CLEAR

Barracuda Networks ESG Appliance Improper Input Validation Vulnerability

Barracuda Email Security Gateway (ESG) appliance contains an improper input validation vulnerability of a user-supplied .tar file, leading to remote command injection.

Facts

  • Vendor: Barracuda Networks
  • Product: Email Security Gateway (ESG) Appliance
  • CVSS: 9.4
  • EPSS (probability of exploitation within 30 days): 86.8 %
  • On CISA's Known Exploited Vulnerabilities list since: 26 May 2023
  • First known exploitation: 26 May 2023
  • CISA's deadline for US federal agencies: 16 June 2023
  • Weakness: CWE-20
  • First seen by Risk Letters: 26 May 2023

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