Vulnerability Intelligence Report
CVE-2019-9955
On Zyxel ATP200, ATP500, ATP800, USG20-VPN, USG20W-VPN, USG40, USG40W, USG60, USG60W, USG110, USG210, USG310, USG1100, USG1900, USG2200-VPN, ZyWALL 110, ZyWALL 310, ZyWALL 1100 devices, the security firewall login page is vulnerable to Reflected XSS via the unsanitized 'mp_idx' parameter.
Nuclei Template
CVSS Base Score
6.1
MEDIUM
EPSS Probability:20.95%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| zyxel | atp200_firmware | 4.31 |
| zyxel | atp200 | all |
| zyxel | atp500_firmware | 4.31 |
| zyxel | atp500 | all |
| zyxel | atp800_firmware | 4.31 |
| zyxel | atp800 | all |
| zyxel | usg20-vpn_firmware | 4.31 |
| zyxel | usg20-vpn | all |
| zyxel | usg20w-vpn_firmware | 4.31 |
| zyxel | usg20w-vpn | all |
| zyxel | usg40_firmware | 4.31 |
| zyxel | usg40 | all |
| zyxel | usg40w_firmware | 4.31 |
| zyxel | usg40w | all |
| zyxel | usg60_firmware | 4.31 |
| zyxel | usg60 | all |
| zyxel | usg60w_firmware | 4.31 |
| zyxel | usg60w | all |
| zyxel | usg110_firmware | 4.31 |
| zyxel | usg110 | all |
| zyxel | usg210_firmware | 4.31 |
| zyxel | usg210 | all |
| zyxel | usg310_firmware | 4.31 |
| zyxel | usg310 | all |
| zyxel | usg1100_firmware | 4.31 |
| zyxel | usg1100 | all |
| zyxel | usg1900_firmware | 4.31 |
| zyxel | usg1900 | all |
| zyxel | usg2200-vpn_firmware | 4.31 |
| zyxel | usg2200-vpn | all |
| zyxel | zywall_110_firmware | 4.31 |
| zyxel | zywall_110 | all |
| zyxel | zywall_310_firmware | 4.31 |
| zyxel | zywall_310 | all |
| zyxel | zywall_1100_firmware | 4.31 |
| zyxel | zywall_1100 | all |
| zyxel | vpn50_firmware | all |
| zyxel | vpn50 | all |
| zyxel | vpn100_firmware | all |
| zyxel | vpn100 | all |
| zyxel | vpn300_firmware | all |
| zyxel | vpn300 | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2019-03-23T00:00:00 |
| Published | 2019-04-22T19:38:59 |
| Patch Date | 2019-04-15 |
| Last Updated | 2024-08-04T22:10:08 |
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