CVE-2020-29299

CVSS V2 High 9 CVSS V3 High 7.2
Description
Certain Zyxel products allow command injection by an admin via an input string to chg_exp_pwd during a password-change action. This affects VPN On-premise before ZLD V4.39 week38, VPN Orchestrator before SD-OS V10.03 week32, USG before ZLD V4.39 week38, USG FLEX before ZLD V4.55 week38, ATP before ZLD V4.55 week38, and NSG before 1.33 patch 4.
Overview
  • CVE ID
  • CVE-2020-29299
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-12-27T06:15:12
  • Last Modified Date
  • 2021-01-05T14:47:22
Weakness Enumerations
CWE URL
CWE-77 http://cwe.mitre.org/data/definitions/77.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:zyxel:vpn_orchestrator:*:*:*:*:*:*:*:* 1 OR 10.03
cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:* 1 OR 4.39
AND
cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:* 1 OR 4.55
cpe:2.3:h:zyxel:usg_flex:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:* 1 OR 4.55
cpe:2.3:h:zyxel:atp:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:nsg_firmware:*:*:*:*:*:*:*:* 1 OR 1.33
cpe:2.3:o:zyxel:nsg_firmware:1.33:-:*:*:*:*:*:* 1 OR
cpe:2.3:o:zyxel:nsg_firmware:1.33:patch1:*:*:*:*:*:* 1 OR
cpe:2.3:h:zyxel:nsg:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:zyxel:usg_flex_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:zyxel:zld:*:*:*:*:*:*:*:* 1 OR 4.39
cpe:2.3:h:zyxel:usg_flex:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 9
  • Severity
  • HIGH
  • Exploitability Score
  • 8
  • Impact Score
  • 10
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.2
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.2
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://www.zyxel.com/us/en/support/security_advisories.shtml Vendor Advisory
https://www.zyxel.com/support/Zyxel-security-advisory-for-command-injection-vulnerability-of-firewalls.shtml Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-29299
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29299
History
Created Old Value New Value Data Type Notes
2022-05-10 07:28:42 Added to TrackCVE
2022-12-05 18:52:43 2020-12-27T06:15Z 2020-12-27T06:15:12 CVE Published Date updated
2022-12-05 18:52:43 2021-01-05T14:47:22 CVE Modified Date updated
2022-12-05 18:52:43 Analyzed Vulnerability Status updated