Cross-Site WebSocket Hijacking Vulnerability in aaPanel by aaPanel
CVE-2021-37840

8.8HIGH

Key Information:

Vendor

Aapanel

Status
Aapanel
Vendor
CVE Published:
2 August 2021

What is CVE-2021-37840?

The vulnerability in aaPanel versions up to 6.8.12 allows for Cross-Site WebSocket Hijacking, enabling potential attackers to conduct OS command injection through manipulated WebSocket messages sent to vulnerable servers. This attack method requires the target to have WebSSH set up and at least one host configured. Exploitation techniques can vary based on the browser types, potentially succeeding on systems like Firefox. Users should take immediate steps to secure their configurations against such exploits.

References

https://github.com/aaPanel/aaPanel/issues/74
x_refsource_MISC
https://ssd-disclosure.com/ssd-advisory-aapanel-cswh-to-rce/
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.