CVE-2021-27876 — Veritas Backup Exec Agent File Access Vulnerability

provenance: imported · CVE: CVE-2021-27876 · CWE: CWE-287

CVE-2021-27876: Veritas Backup Exec Agent File Access Vulnerability

CISA Known Exploited Vulnerability (KEV)


Vendor / project	Veritas
Product	Backup Exec Agent
Date added	2023-04-07
Due date	2023-04-28
Ransomware campaign use	Known

Description

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.

Required action (CISA)

Apply updates per vendor instructions.

Notes

https://www.veritas.com/support/en_US/security/VTS21-001; https://nvd.nist.gov/vuln/detail/CVE-2021-27876

Weakness behind it

CISA records this vulnerability as an instance of CWE-287. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-27876
KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

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