CVE-2019-9955

CVSS V2 Medium 4.3 CVSS V3 Medium 6.1
Description
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.
Overview
  • CVE ID
  • CVE-2019-9955
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-04-22T20:29:00
  • Last Modified Date
  • 2019-04-30T14:34:36
Weakness Enumerations
CWE URL
CWE-79 http://cwe.mitre.org/data/definitions/79.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:zyxel:atp200_firmware:4.31:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:atp200:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:atp500_firmware:4.31:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:atp500:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:atp800_firmware:4.31:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:atp800:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg20-vpn_firmware:4.31:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:usg20-vpn:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg20w-vpn_firmware:4.31:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:usg20w-vpn:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg40_firmware:4.31:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:usg40:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg40w_firmware:4.31:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:usg40w:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg60_firmware:4.31:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:usg60:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg60w_firmware:4.31:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:usg60w:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg110_firmware:4.31:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:usg110:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg210_firmware:4.31:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:usg210:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg310_firmware:4.31:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:usg310:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg1100_firmware:4.31:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:usg1100:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg1900_firmware:4.31:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:usg1900:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg2200-vpn_firmware:4.31:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:usg2200-vpn:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:zywall_110_firmware:4.31:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:zywall_110:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:zywall_310_firmware:4.31:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:zywall_310:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:zywall_1100_firmware:4.31:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:zywall_1100:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:vpn50_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:vpn50:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:vpn100_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:vpn100:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:vpn300_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:vpn300:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 6.1
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 2.7
References
Reference URL Reference Tags
https://www.zyxel.com/support/reflected-cross-site-scripting-vulnerability-of-firewalls.shtml Vendor Advisory
https://www.securitymetrics.com/blog/Zyxel-Devices-Vulnerable-Cross-Site-Scripting-Login-page Patch Third Party Advisory
https://www.exploit-db.com/exploits/46706/ Exploit Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2019/Apr/22 Mailing List Third Party Advisory
http://packetstormsecurity.com/files/152525/Zyxel-ZyWall-Cross-Site-Scripting.html Exploit Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-9955
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9955
History
Created Old Value New Value Data Type Notes
2022-05-10 17:42:03 Added to TrackCVE
2022-12-03 19:51:03 2019-04-22T20:29Z 2019-04-22T20:29:00 CVE Published Date updated
2022-12-03 19:51:03 2019-04-30T14:34:36 CVE Modified Date updated
2022-12-03 19:51:03 Analyzed Vulnerability Status updated