All vulnerabilities
CVE-2021-27877

Veritas Backup Exec Agent Improper Authentication Vulnerability

Veritas Backup Exec Agent
Open in ThreatlineRecord JSON
CVSS
8.2High
ExploitationExploited in the wildAdded to KEV 7 Apr 2023. Known ransomware useCISA KEV
Exploit odds (EPSS)64.9%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Federal deadline28 Apr 2023Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Timeline

  1. 1 Mar 2021Exploit code publicMetasploit
  2. 1 Mar 2021, 21:49 UTCPublishedCVE List
  3. 7 Apr 2023Added to CISA KEVCISA KEV

Public exploit code and templates 2

  • Exploit moduleVeritas Backup Exec Agent Remote Code Execution 1 Mar 2021Metasploit
  • Scanner templateVeritas Backup Exec - Broken AuthenticationNuclei

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

Veritas Backup Exec (BE) Agent contains an improper authentication vulnerability that could allow an attacker unauthorized access to the BE Agent via SHA authentication scheme.

Text from CVE List

Affected versions 1

  • n/aaffected: n/aCVE List

References 4