CVE-2020-24355
Critical
Description
Zyxel VMG5313-B30B router on firmware 5.13(ABCJ.6)b3_1127, and possibly older versions of firmware are affected by insecure permissions which allows regular and other users to create new users with elevated privileges. This is done by changing "FirstIndex" field in JSON that is POST-ed during account creation. Similar may also be possible with account deletion.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Zyxel Vmg5313-b30b Firmware
PublishedSep 2, 2020
First seenSep 2, 2020
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zyxel vmg5313-b30b_firmware | v ≤ 5.13\(abcj.6\)b3_1127 | — |
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