Veritas Backup Exec Agent Improper Authentication Vulnerability

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

Technical Severity

CVSS v3.1 Metrics

HIGH

8.2 / 10

Minimal Risk Critical

Vector Specification

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

Exploitation Likelihood

EPSS Prediction

39.50 %

Predictive Probability

Percentile Rank

97.3 th

Documented as more likely to be exploited than 97.3% of known CVEs.

Detection Date

Apr 07, 2023

Remediation Due

Apr 28, 2023

CISA Catalog Active

Threat Analysis

Veritas Backup Exec (BE) Agent contains an improper authentication vulnerability that could allow an attacker unauthorized access to the BE Agent via SHA authentication scheme.

Remediation Directive

Apply updates per vendor instructions.

External Intelligence

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

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2021-27877