CVE-2021-27877CISA KEVEPSS p99.1%

CVE-2021-27877Veritas Backup Exec Agent Improper Authentication Vulnerability

Veritas / Backup Exec Agent

Description

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.

Scoring

EPSS64.91% probability of exploitation · percentile 99.1% · 2026-06-17T12:03:21Z

CISA KEV entry

Added to KEV: 2023-04-07

(incoming)1

TypeTargetConfidenceTier
KEVEntryVeritas Backup Exec Agent Improper Authentication Vulnerabilitykev-cve-2021-278770%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.