CVE-2021-4459: SMA: Directory Traversal in Sunny Boy <3.10.27.R
SMA · Boy 3.0
Vendor fix available · Affected: SMA Boy 3.0 · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 52% of scored CVEs
DescriptionCVE.org
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.
Affected products5
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- SMA · Boy 3.0from 0.0.0 before 3.10.27.R
- SMA · Boy 3.6from 0.0.0 before 3.10.27.R
- SMA · Boy 4.0from 0.0.0 before 3.10.27.R
- SMA · Boy 5.0from 0.0.0 before 3.10.27.R
- SMA · Boy 6.0from 0.0.0 before 3.10.27.R
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- SMA
- Published
- August 2025
CoverageNo articles yet
No CyberSIXT article names CVE-2021-4459 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.