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TI-2021-04602 Aliases CVE-2021-21511GHSA-2gr2-xjj5-q4ff

Improper authorization in Dell Avamar

Priority LOW 37CWE-285Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-285.

Summary

Dell EMC Avamar Server, versions 19.3 and 19.4 contain an Improper Authorization vulnerability in the web UI. A remote low privileged attacker could potentially exploit this vulnerability, to gain unauthorized read or modification access to other users' backup data.

Why it matters now

EPSS 0.01043 64th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
DellAvamar19.3, 19.4—No fix listedCNA
  • Avamar VendorDell Affected 19.3, 19.4 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:dell:emc_avamar_server:19.3:*:*:*:*:*:*:*19.3VulnerableDell
cpe:2.3:a:dell:emc_avamar_server:19.4:*:*:*:*:*:*:*19.4VulnerableDell
cpe:2.3:a:dell:emc_integrated_data_protection_appliance:2.6:*:*:*:*:*:*:*2.6VulnerableDell
  • cpe:2.3:a:dell:emc_avamar_server:19.3:*:*:*:*:*:*:* Versions 19.3 Vulnerable ·Dell
  • cpe:2.3:a:dell:emc_avamar_server:19.4:*:*:*:*:*:*:* Versions 19.4 Vulnerable ·Dell
  • cpe:2.3:a:dell:emc_integrated_data_protection_appliance:2.6:*:*:*:*:*:*:* Versions 2.6 Vulnerable ·Dell

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-21511
  2. 2026-10-03 Alias added: GHSA-2gr2-xjj5-q4ff

References

  • TI-2020-17716 Path traversal in Dell Avamar CVSS 3.1CRITICAL 10.0
  • TI-2020-04393 Deserialization of untrusted data in Dell Avamar Virtual Edition CVSS 3.1CRITICAL 9.8
  • TI-2020-17714 SQL injection in Dell Avamar CVSS 3.1CRITICAL 10.0
  • TI-2020-17715 Path traversal in Dell Avamar CVSS 3.1HIGH 8.7
  • TI-2019-02780 Incorrect permission assignment in Dell Avamar CVSS 3.1HIGH 8.1
  • TI-2019-02769 XML external entity injection in Dell Avamar CVSS 3.1HIGH 8.2
See all 10 →

Sources