CVE-2021-35028

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Published Sep 29, 2021 CVSS 3.1 · 7.3 High EPSS < 1% KEV · Not listed

Description

A command injection vulnerability in the CGI program of the Zyxel VPN2S firmware version 1.12 could allow an authenticated, local user to execute arbitrary OS commands.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Zyxel

ZyWALL VPN2S Firmware

affected

Version	Status	Constraints
`1.12(ABLN.0)C0`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:zyxel:zywall_vpn2s_firmware:1.12\(abln.0\)c0:*:*:*:*:*:*:*

cpe:2.3:h:zyxel:zywall_vpn2s:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-21675	A command injection vulnerability in the CGI program of the Zyxel VPN2S firmware version 1.12 could allow an authenticated, local user to execute arbitrary OS commands.

Metrics

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity High

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.305% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://www.zyxel.com/support/Zyxel_security_advisory_for_directory_traversal_and_command_injection_vulnerabilities_of_VPN2S_Firewall.shtml

History

No history.

Subscriptions

Zyxel Zywall Vpn2s Zywall Vpn2s Firmware

Weaknesses

CWE-78

Sources

CVE record Updated: Aug 4, 2024, 12:33 AM

Status: PUBLISHED
Assigner: Zyxel
Published: Sep 29, 2021, 10:35 AM
Updated: Aug 4, 2024, 12:33 AM
Reserved: Jun 17, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:56 AM

Status: Modified
Published: Sep 29, 2021, 11:15 AM
Modified: Jun 17, 2026, 3:56 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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