CVE-2021-4459 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Sma	Sunny Boy Sunny Boy 1.5 Sunny Boy 2.5 Sunny Boy 3.0 Sunny Boy 3.6 Sunny Boy 4.0 Sunny Boy 5.0 Sunny Boy 6.0

No data.

No data.

References

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

History

Wed, 27 Aug 2025 22:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Sma Sma sunny Boy Sma sunny Boy 1.5 Sma sunny Boy 2.5 Sma sunny Boy 3.0 Sma sunny Boy 3.6 Sma sunny Boy 4.0 Sma sunny Boy 5.0 Sma sunny Boy 6.0
Vendors & Products		Sma Sma sunny Boy Sma sunny Boy 1.5 Sma sunny Boy 2.5 Sma sunny Boy 3.0 Sma sunny Boy 3.6 Sma sunny Boy 4.0 Sma sunny Boy 5.0 Sma sunny Boy 6.0

Wed, 27 Aug 2025 17:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Wed, 27 Aug 2025 08:15:00 +0000

Type	Values Removed	Values Added
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.
Title		SMA: Directory Traversal in Sunny Boy <3.10.27.R
Weaknesses		CWE-23
References		https://certvde.com/en/advisories/VDE-2025-066
Metrics		cvssV3_1 `{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}`

MITRE

Status: PUBLISHED

Assigner: CERTVDE

Published: 2025-08-27T08:00:35.837Z

Updated: 2025-08-27T16:18:45.427Z

Reserved: 2025-07-18T05:04:57.291Z

Link: CVE-2021-4459

Vulnrichment

Updated: 2025-08-27T16:15:34.955Z

NVD

Status : Awaiting Analysis

Published: 2025-08-27T08:15:31.937

Modified: 2025-08-29T16:24:09.860

Link: CVE-2021-4459

Redhat

No data.

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