Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2021-37840 Details

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).

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://github.com/aaPanel/aaPanel/issues/74 CVEExploitThird Party Advisory
https://ssd-disclosure.com/ssd-advisory-aapanel-cswh-to-rce/ CVEExploitThird Party Advisory
https://github.com/aaPanel/aaPanel/issues/74 [email protected]ExploitThird Party Advisory
https://ssd-disclosure.com/ssd-advisory-aapanel-cswh-to-rce/ [email protected]ExploitThird Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
NVD-CWE-noinfoInsufficient Information to Classify Weakness[email protected]

Affected Products

ProductVersions
aapanel aapanel
<= 6.8.12

CPE

  • cpe:2.3:a:aapanel:aapanel:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-37840
NVD Published Date:
Aug 2, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-37840 Details - Not Deferred