Veritas Backup Exec Agent File Access Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

HIGH

8.1 / 10

Minimal Risk Critical

Vector Specification

CVSS:3.1/AC:L/AV:N/A:N/C:H/I:H/PR:L/S:U/UI:N

Exploitation Likelihood

EPSS Prediction

1.97 %

Predictive Probability

Percentile Rank

83.2 th

Documented as more likely to be exploited than 83.2% of known CVEs.

Detection Date

Apr 07, 2023

Remediation Due

Apr 28, 2023

CISA Catalog Active

Threat Analysis

Veritas Backup Exec (BE) Agent contains a file access vulnerability that could allow an attacker to specially craft input parameters on a data management protocol command to access files on the BE Agent machine.

Remediation Directive

Apply updates per vendor instructions.

Asset Context

Vendor Identity

Veritas

Affected Product

Backup Exec Agent

Ransomware Status

Campaign Use Known

Weakness Classification

CWE-287

External Intelligence

https://www.veritas.com/support/en_US/security/VTS21-001

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2021-27876