A directory traversal vulnerability caused by specific character sequences within an improperly sanitized URL was identified in some CGI programs of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50 through 5.30, USG FLEX 700 firmware versions 4.50 through 5.30, USG FLEX 50(W) firmware versions 4.16 through 5.30, USG20(W)-VPN firmware versions 4.16 through 5.30, ATP series firmware versions 4.32 through 5.30, VPN series firmware versions 4.30 through 5.30, USG/ZyWALL series firmware versions 4.11 through 4.72, that could allow an authenticated attacker to access some restricted files on a vulnerable device.
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No Fix Known
No patch has been released yet. Apply workarounds or mitigations where available.
| Vendor | Product | Versions | Fixed In |
|---|---|---|---|
| zyxel | usg_flex_100w_firmware | 4.50 - 5.30 | - |
| zyxel | usg_flex_200_firmware | 4.50 - 5.30 |
Published
CVE disclosed publicly
Last Modified
Most recent update
Indexed to CVEInsight
Added to this platform
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
25
Affected Products
2
References
zyxel / usg_flex_100w_firmware
| - |
| zyxel | usg_flex_500_firmware | 4.50 - 5.30 | - |
| zyxel | usg_flex_700_firmware | 4.50 - 5.30 | - |
| zyxel | usg_flex_50w_firmware | 4.20 - 5.30 | - |
| zyxel | usg20w-vpn_firmware | 4.20 - 5.30 | - |
| zyxel | atp800_firmware | 4.32 - 5.30 | - |
| zyxel | atp700_firmware | 4.32 - 5.30 | - |
| zyxel | atp500_firmware | 4.32 - 5.30 | - |
| zyxel | atp200_firmware | 4.32 - 5.30 | - |
| zyxel | atp100w_firmware | 4.32 - 5.30 | - |
| zyxel | atp100_firmware | 4.32 - 5.30 | - |
| zyxel | vpn1000_firmware | 4.30 - 5.30 | - |
| zyxel | vpn300_firmware | 4.30 - 5.30 | - |
| zyxel | vpn100_firmware | 4.30 - 5.30 | - |
| zyxel | vpn50_firmware | 4.30 - 5.30 | - |
| zyxel | usg20-vpn_firmware | 4.30 - 5.30 | - |
| zyxel | usg_2200-vpn_firmware | 4.30 - 5.30 | - |
| zyxel | zywall_110_firmware | 4.30 - 5.30 | - |
| zyxel | zywall_310_firmware | 4.30 - 5.30 | - |
| zyxel | zywall_1100_firmware | 4.30 - 5.30 | - |
| zyxel | usg40_firmware | 4.20 - 4.72 | - |
| zyxel | usg40w_firmware | 4.20 - 4.72 | - |
| zyxel | usg60_firmware | 4.20 - 4.72 | - |
| zyxel | usg60w_firmware | 4.20 - 4.72 | - |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Exploitability
Impact