CVE-2021-27877

unknown KEV

Published 2023-04-07 · Modified 2023-04-07

CVSS v3

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CVSS v2

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VIR risk

1.5

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.

CISA KEV

Vendor: Veritas
Product: Backup Exec Agent
Due date: 2023-04-28

Predictions

Exploit likelihood

99%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cisa-kev — https://www.veritas.com/support/en_US/security/VTS21-001; https://nvd.nist.gov/vuln/detail/CVE-2021-27877

Exploits

References

https://www.veritas.com/support/en_US/security/VTS21-001; https://nvd.nist.gov/vuln/detail/CVE-2021-27877

Verify integrity in audit chain (admin only). AS-IS.