Remote Code Execution Vulnerability in Veritas Backup Exec
CVE-2021-27877

9.8CRITICAL

Key Information:

Vendor
Veritas
Status
Backup Exec
Vendor
CVE Published:
1 March 2021

Badges

💰 Ransomware👾 Exploit Exists🦅 CISA Reported

Summary

A vulnerability in Veritas Backup Exec allows attackers to exploit outdated SHA authentication support, which has not been disabled in versions prior to 21.2. By leveraging this weakness, an attacker can gain unauthorized access to an Agent, enabling them to execute privileged commands remotely. It is essential for users of affected versions to upgrade to mitigate the risk associated with this security flaw.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited and is known by the CISA as enabling ransomware campaigns.

The CISA's recommendation is: Apply updates per vendor instructions.

References

https://www.veritas.com/content/support/en_US/security/VT...
x_refsource_MISC
http://packetstormsecurity.com/files/168506/Veritas-Backu...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 💰

    Used in Ransomware

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

.