VULNERABILITY INTELLIGENCE

CVE-2021-37840

CVSS score8.8 HIGH
EPSS probability1.68%
CISA KEVNot currently listed
Published2021-08-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

aaPanel through 6.8.12 allows Cross-Site WebSocket Hijacking (CSWH) involving OS commands within WebSocket messages at a ws:// URL for /webssh (the victim must have configured Terminal with at least one host). Successful exploitation depends on the browser used by a potential victim (e.g., exploitation can occur with Firefox but not Chrome).

Weakness classification

  • nvd@nist.gov: NVD-CWE-noinfo

Primary references