CVE-2021-4459

MEDIUM EPSS 45.1%

Published Aug 27, 202510mo ago · Modified Jun 17, 20262w ago

6.5 CVSS 3.1

Medium

Published Aug 27, 2025 10mo ago

Last Modified Jun 17, 2026 2w ago

Description

An authorized remote attacker can access files and directories outside the intended web root, potentially exposing sensitive system information of the affected Sunny Boy devices.

CVSS Details

Base Score

6.5

Exploitability

2.8

Impact

3.6

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required Low

User Interaction None

Scope Unchanged

Confidentiality High

Integrity None

Availability None

Threat Intelligence

EPSS Exploit Probability

45.1% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-23

References 1

certvde.com https://certvde.com/en/advisories/VDE-2025-066

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.