CVE-2021-43099
Medium
Description
An Archive Extraction (AKA "Zip Slip) vulnerability exists in bbs 5.3 in the UpgradeNow function in UpgradeManageAction.java, which unzips the arbitrary upladed zip file without checking filenames. The vulnerability is exploited using a specially crafted archive that holds directory traversal filenames (e.g. ../../evil.exe).
SeverityMedium
CVSS4.9
Exploit probability—
ProductDiyhi Bbs
PublishedMar 28, 2022
First seenMar 28, 2022
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| diyhi bbs | 5.3 | — |
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