Risk Letters

Exploited vulnerability

CVE-2021-27876

TLP:CLEAR

Veritas Backup Exec Agent File Access Vulnerability

Veritas Backup Exec (BE) Agent contains a file access vulnerability that could allow an attacker to specially craft input parameters on a data management protocol command to access files on the BE Agent machine.

Facts

  • Vendor: Veritas
  • Product: Backup Exec Agent
  • CVSS: 8.1
  • EPSS (probability of exploitation within 30 days): 13.5 %
  • On CISA's Known Exploited Vulnerabilities list since: 7 April 2023
  • First known exploitation: 7 April 2023
  • Used in ransomware campaigns (per CISA): Yes
  • CISA's deadline for US federal agencies: 28 April 2023
  • Weakness: CWE-287
  • First seen by Risk Letters: 7 April 2023

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