CVE-2021-27877
קריטית 9.8 מנוצלת בשטח (KEV) בשימוש בכופרה
ניצול פעיל מאומת — קטלוג CISA KEV
- שם
- Veritas Backup Exec Agent Improper Authentication Vulnerability
- נוסף לקטלוג
- יעד טיפול (פדרלי)
- פעולה נדרשת
- Apply updates per vendor instructions.
תיאור (מקור, אנגלית)
An issue was discovered in Veritas Backup Exec before 21.2. It supports multiple authentication schemes: SHA authentication is one of these. This authentication scheme is no longer used in current versions of the product, but hadn't yet been disabled. An attacker could remotely exploit this scheme to gain unauthorized access to an Agent and execute privileged commands.
מדדים
- CVSS 3.1
-
9.8 (CRITICAL)
מקור הציון: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — סבירות ניצול
- 65% (אחוזון 100) נכון ל-30/7/2026
מוצרים מושפעים
veritas: backup exec
קישורים
- https://www.veritas.com/content/support/en_US/security/VTS21-001#issue1 Vendor Advisory
- https://www.veritas.com/content/support/en_US/security/VTS21-001#issue1 Vendor Advisory
- http://packetstormsecurity.com/files/168506/Veritas-Backup-Exec-Agent-Remote-C… ExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/168506/Veritas-Backup-Exec-Agent-Remote-C… ExploitThird Party AdvisoryVDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-202… US Government Resource