CVE-2021-35027

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Published Sep 29, 2021 CVSS 3.1 · 7.5 High EPSS 2.0% KEV · Not listed

Description

A directory traversal vulnerability in the web server of the Zyxel VPN2S firmware version 1.12 could allow a remote attacker to gain access to sensitive information.

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-2021-21674	A directory traversal vulnerability in the web server of the Zyxel VPN2S firmware version 1.12 could allow a remote attacker to gain access to sensitive information.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 2.0% (2.045% 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

Sources

CVE record Updated: Aug 4, 2024, 12:26 AM

Status: PUBLISHED
Assigner: Zyxel
Published: Sep 29, 2021, 10:32 AM
Updated: Aug 4, 2024, 12:26 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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