CVE-2019-12583

CVSS V2 Medium 6.4 CVSS V3 Critical 9.1
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.
Overview
  • CVE ID
  • CVE-2019-12583
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-06-27T14:15:10
  • Last Modified Date
  • 2020-08-24T17:37:01
Weakness Enumerations
CWE URL
CWE-425 http://cwe.mitre.org/data/definitions/425.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:zyxel:uag2100_firmware:*:*:*:*:*:*:*:* 1 OR 4.18\(aaiz.1\)c0
cpe:2.3:h:zyxel:uag2100:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:uag4100_firmware:*:*:*:*:*:*:*:* 1 OR 4.18\(aatd.1\)c0
cpe:2.3:h:zyxel:uag4100:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:uag5100_firmware:*:*:*:*:*:*:*:* 1 OR 4.18\(aapn.1\)c0
cpe:2.3:h:zyxel:uag5100:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg110_firmware:*:*:*:*:*:*:*:* 1 OR 4.33\(aaph.0\)c0
cpe:2.3:h:zyxel:usg110:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg210_firmware:*:*:*:*:*:*:*:* 1 OR 4.33\(aapi.0\)c0
cpe:2.3:h:zyxel:usg210:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg310_firmware:*:*:*:*:*:*:*:* 1 OR 4.33\(aapj.0\)c0
cpe:2.3:h:zyxel:usg310:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg1100_firmware:*:*:*:*:*:*:*:* 1 OR 4.33\(aapk.0\)c0
cpe:2.3:h:zyxel:usg1100:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg1900_firmware:*:*:*:*:*:*:*:* 1 OR 4.33\(aapl.0\)c0
cpe:2.3:h:zyxel:usg1900:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg2200-vpn_firmware:*:*:*:*:*:*:*:* 1 OR 4.33\(abae.0\)c0
cpe:2.3:h:zyxel:usg2200-vpn:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:zywall_vpn100_firmware:*:*:*:*:*:*:*:* 1 OR 10.02\(abfv.0\)c0
cpe:2.3:h:zyxel:zywall_vpn100:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:zywall_vpn300_firmware:*:*:*:*:*:*:*:* 1 OR 10.02\(abfc.0\)c0
cpe:2.3:h:zyxel:zywall_vpn300:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:zywall_110_firmware:*:*:*:*:*:*:*:* 1 OR 4.33\(aaaa.0\)c0
cpe:2.3:h:zyxel:zywall_110:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:zywall_310_firmware:*:*:*:*:*:*:*:* 1 OR 4.33\(aaab.0\)c0
cpe:2.3:h:zyxel:zywall_310:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:zywall_1100_firmware:*:*:*:*:*:*:*:* 1 OR 4.33\(aaac.0\)c0
cpe:2.3:h:zyxel:zywall_1100:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 4.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 9.1
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.2
References
Reference URL Reference Tags
https://www.zyxel.com/support/vulnerabilities-related-to-the-Free-Time-feature.shtml Patch Vendor Advisory
https://n-thumann.de/blog/zyxel-gateways-missing-access-control-in-account-generator-xss/ Exploit Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-12583
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12583
History
Created Old Value New Value Data Type Notes
2022-05-10 16:34:30 Added to TrackCVE
2022-12-03 22:30:34 2019-06-27T14:15Z 2019-06-27T14:15:10 CVE Published Date updated
2022-12-03 22:30:34 2020-08-24T17:37:01 CVE Modified Date updated
2022-12-03 22:30:34 Analyzed Vulnerability Status updated