An issue was discovered in Veritas Backup Exec before 21.2. The communication between a client and an Agent requires successful authentication, which is typically completed over a secure TLS communication. However, due to a vulnerability in the SHA Authentication scheme, an attacker is able to gain unauthorized access and complete the authentication process. Subsequently, the client can execute data management protocol commands on the authenticated connection. By using crafted input parameters in one of these commands, an attacker can access an arbitrary file on the system using System privileges.
History

Mon, 03 Feb 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2023-04-07'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-02-03T16:18:28.806Z

Reserved: 2021-03-01T00:00:00.000Z

Link: CVE-2021-27876

cve-icon Vulnrichment

Updated: 2024-08-03T21:33:17.306Z

cve-icon NVD

Status : Modified

Published: 2021-03-01T22:15:14.350

Modified: 2024-11-21T05:58:40.010

Link: CVE-2021-27876

cve-icon Redhat

No data.