CVE-2019-12583
Critical
Description
Missing Access Control in the "Free Time" component of several Zyxel UAG, USG, and ZyWall devices allows a remote attacker to generate guest accounts by directly accessing the account generator. This can lead to unauthorised network access or Denial of Service.
SeverityCritical
CVSS9.1
Exploit probability—
Product
Zyxel Zywall Vpn100 Firmware
PublishedJun 27, 2019
First seenJun 27, 2019
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zyxel zywall_vpn100_firmware | v ≤ 10.02\(abfv.0\)c0 | — |
| zyxel uag2100_firmware | v ≤ 4.18\(aaiz.1\)c0 | — |
| zyxel uag4100_firmware | v ≤ 4.18\(aatd.1\)c0 | — |
| zyxel uag5100_firmware | v ≤ 4.18\(aapn.1\)c0 | — |
| zyxel usg110_firmware | v ≤ 4.33\(aaph.0\)c0 | — |
| zyxel usg210_firmware | v ≤ 4.33\(aapi.0\)c0 | — |
| zyxel usg310_firmware | v ≤ 4.33\(aapj.0\)c0 | — |
| zyxel usg1100_firmware | v ≤ 4.33\(aapk.0\)c0 | — |
| zyxel usg1900_firmware | v ≤ 4.33\(aapl.0\)c0 | — |
| zyxel usg2200-vpn_firmware | v ≤ 4.33\(abae.0\)c0 | — |
| zyxel zywall_vpn300_firmware | v ≤ 10.02\(abfc.0\)c0 | — |
| zyxel zywall_110_firmware | v ≤ 4.33\(aaaa.0\)c0 | — |
| zyxel zywall_310_firmware | v ≤ 4.33\(aaab.0\)c0 | — |
| zyxel zywall_1100_firmware | v ≤ 4.33\(aaac.0\)c0 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.