CVE-2021-27328 - Vulnerability Details - OpenCVE

Description

Yeastar NeoGate TG400 91.3.0.3 devices are affected by Directory Traversal. An authenticated user can decrypt firmware and can read sensitive information, such as a password or decryption key.

Published: 2021-02-19

Score: 6.5 Medium

EPSS: 6.3% Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:yeastar:neogate_tg400_firmware:91.3.0.3:*:*:*:*:*:*:*

cpe:2.3:h:yeastar:neogate_tg400:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

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 Single

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.06304.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://packetstormsecurity.com/files/161560/Yeastar-TG400-GSM-Gateway-91.3.0.3-Path-Traversal.html
http://yeastar.com
https://github.com/SQSamir/CVE-2021-27328

History

No history.

Subscriptions

Yeastar Neogate Tg400 Neogate Tg400 Firmware

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-02-19T18:23:22.000Z

Updated: 2026-07-09T00:12:44.145Z

Reserved: 2021-02-16T00:00:00.000Z

Link: CVE-2021-27328

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-02-19T19:15:12.627

Modified: 2026-06-17T03:44:39.180

Link: CVE-2021-27328

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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