CVE-2021-27877 · netVigilance record NV23-0041
Veritas Backup Exec Agent Improper Authentication
past due ransomware
What to do
Apply updates per vendor instructions.
CISA deadline 2023-04-28 · passed 3 years 4 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
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.
Who is affected
Veritas Backup Exec Agent. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-287.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 3 years 4 months ago
Sources
- NVD entry for CVE-2021-27877 nvd.nist.gov/vuln/detail/CVE-2021-27877
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- veritas.com www.veritas.com/support/en_US/security/VTS21-001
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2021-27877