CVE-2021-4459

SMA: Directory Traversal in Sunny Boy <3.10.27.R

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.17%
Affected: SMA Boy 3.0
Affected: SMA Boy 3.6
Affected: SMA Boy 4.0
Affected: SMA Boy 5.0
Affected: SMA Boy 6.0
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2021-4459?
CVE-2021-4459 has been scored as a medium severity vulnerability.
How to fix CVE-2021-4459?
To fix CVE-2021-4459, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-4459 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-4459 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-4459?
CVE-2021-4459 affects SMA Boy 3.0, SMA Boy 3.6, SMA Boy 4.0, SMA Boy 5.0, SMA Boy 6.0.
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