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CVE-2021-27877

An issue was discovered in Veritas Backup Exec before 21.2.

Published
Last modified
published
Listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub

Summary

Veritas Backup Exec, a data backup and recovery product, is affected. An attacker could remotely abuse a legacy SHA authentication method that was still enabled to gain unauthorized access to a backup agent and run privileged commands.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

An issue was discovered in Veritas Backup Exec before 21.2. It supports multiple authentication schemes: SHA authentication is one of these. This authentication scheme is no longer used in current versions of the product, but hadn't yet been disabled. An attacker could remotely exploit this scheme to gain unauthorized access to an Agent and execute privileged commands.

Timeline

  1. CVE published
  2. Added to CISA KEV

    CISA has evidence of exploitation in the wild

  3. CISA remediation deadline

    Due date for US federal agencies to patch

  4. Record last updated
  5. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • n/a n/a

    Version range not reported

References 2

veritas.com

packetstormsecurity.com