CVE-2021-26471 Information

Description

In VembuBDR before 4.2.0.1 and VembuOffsiteDR before 4.2.0.1 the http API located at /sgwebservice_o.php accepts a command argument. Using this command argument an unauthenticated attacker can execute arbitrary shell commands.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://csirt.divd.nl/2021/05/11/Vembu-zero-days/ https://csirt.divd.nl/cves/CVE-2021-26471/ https://csirt.divd.nl/cases/DIVD-2020-00011/ https://www.wbsec.nl/vembu

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8