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TI-2021-08263 Aliases CVE-2021-26473GHSA-8x7w-j66g-cfqw

Unauthenticated arbitrary file upload and command execution in Vembu products

Priority MEDIUM 46CWE-434Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434.

Summary

In VembuBDR before 4.2.0.1 and VembuOffsiteDR before 4.2.0.1 the http API located at /sgwebservice_o.php action logFilePath allows an attacker to write arbitrary files in the context of the web server process. These files can then be executed remotely by calling the file via the web server.

Why it matters now

EPSS 0.01756 78th 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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:vembu:bdr_suite:*:*:*:*:*:*:*:*before 4.2.0.1VulnerableVembu
cpe:2.3:a:vembu:offsite_dr:*:*:*:*:*:*:*:*before 4.2.0.1VulnerableVembu
  • cpe:2.3:a:vembu:bdr_suite:*:*:*:*:*:*:*:* Versions before 4.2.0.1 Vulnerable ·Vembu
  • cpe:2.3:a:vembu:offsite_dr:*:*:*:*:*:*:*:* Versions before 4.2.0.1 Vulnerable ·Vembu

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-26473
  2. 2026-10-03 Alias added: GHSA-8x7w-j66g-cfqw

References

  • TI-2021-08262 Unauthenticated remote command execution with SYSTEM privileges in Vembu products CVSS 3.1CRITICAL 10.0
  • TI-2021-08261 Unauthenticated remote command execution in Vembu products CVSS 3.1CRITICAL 9.8
  • TI-2021-08264 UNAUTHENTICATED SERVER SIDE REQUEST FORGERY IN VEMBU PRODUCTS CVSS 3.1HIGH 8.8
  • TI-2021-19383 An Unquoted Service Path vulnerability exits in Vembu BDR 4.2.0.1 via a specially crafted… CVSS 3.1HIGH 7.8

Sources