CVE-2021-27877 — Veritas Backup Exec Agent Improper Authentication Vulnerability
CVE-2021-27877: Veritas Backup Exec Agent Improper Authentication 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 an improper authentication vulnerability that could allow an attacker unauthorized access to the BE Agent via SHA authentication scheme.
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-2021-27877
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-2021-27877
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
See all 1,745 pages under Vulnerabilities (CVE) →
Related pages
Browse by topic
Every page in the corpus, grouped. Search finds one page; this shows what else is here.