#VU74472 Improper Authentication in Backup Exec - CVE-2021-27878

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Main Vulnerability Database Vulnerabilities #VU74472

#VU74472 Improper Authentication in Backup Exec - CVE-2021-27878

Published: April 5, 2023


Vulnerability identifier: #VU74472
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2021-27878
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
Backup Exec
Software vendor:
Veritas Technologies

Description

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to an error in the SHA Authentication scheme. A remote user can use one of the data management protocol commands to execute an arbitrary command on the system using system privileges.


Remediation

Install updates from vendor's website.

External links