CVE-2020-29299

Summary

CVECVE-2020-29299
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-12-27 06:15:00 UTC
Updated2021-01-05 14:47:00 UTC
DescriptionCertain 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.

Risk And Classification

Problem Types: CWE-77

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Zyxel Atp - All All All
Hardware Zyxel Atp - All All All
Hardware Zyxel Nsg - All All All
Hardware Zyxel Nsg - All All All
Operating System Zyxel Nsg Firmware All All All All
Operating System Zyxel Nsg Firmware 1.33 - All All
Operating System Zyxel Nsg Firmware 1.33 patch1 All All
Operating System Zyxel Nsg Firmware All All All All
Operating System Zyxel Nsg Firmware 1.33 - All All
Operating System Zyxel Nsg Firmware 1.33 patch1 All All
Hardware Zyxel Usg Flex - All All All
Hardware Zyxel Usg Flex - All All All
Operating System Zyxel Usg Flex Firmware - All All All
Operating System Zyxel Usg Flex Firmware - All All All
Operating System Zyxel Vpn Orchestrator All All All All
Operating System Zyxel Vpn Orchestrator All All All All
Operating System Zyxel Zld All All All All
Operating System Zyxel Zld All All All All

References

ReferenceSourceLinkTags
Zyxel security advisory for command injection vulnerability of firewalls | Zyxel MISC www.zyxel.com Vendor Advisory
Security Advisories | Zyxel MISC www.zyxel.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report