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TI-2021-15650 Aliases CVE-2021-37840GHSA-r4vq-r3rv-8p3p

aaPanel through 6.8.12 allows Cross-Site WebSocket Hijacking (CSWH) involving OS commands…

Priority MEDIUM 41Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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).

Why it matters now

EPSS 0.01675 76th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
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 · 1

CPEVersionsRoleVendor
cpe:2.3:a:aapanel:aapanel:*:*:*:*:*:*:*:*up to 6.8.12VulnerableaaPanel
  • cpe:2.3:a:aapanel:aapanel:*:*:*:*:*:*:*:* Versions up to 6.8.12 Vulnerable ·aaPanel

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-37840
  2. 2026-10-03 Alias added: GHSA-r4vq-r3rv-8p3p

References

Exploit 2

  • TI-2026-23391 An arbitrary file upload vulnerability in aaPanel v7.57.0 allows attackers to execute… CVSS 3.1CRITICAL 9.8
  • TI-2026-23390 A lack of path validation in aaPanel v7.57.0 allows attackers to execute a local file… CVSS 3.1HIGH 7.5
  • TI-2026-23389 An issue in the VirtualHost configuration handling/parser component of aaPanel v7.57.0… CVSS 3.1HIGH 7.5
  • TI-2024-28674 AAPanel v7.0.7 was discovered to contain an OS command injection vulnerability. CVSS 3.1MEDIUM 6.5
  • TI-2020-11758 aaPanel through 6.6.6 allows remote authenticated users to execute arbitrary commands via… CVSS 3.1HIGH 8.8
  • TI-2020-11282 aaPanel through 6.6.6 allows remote authenticated users to execute arbitrary commands via… CVSS 3.1HIGH 7.2
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences