CVE-2021-27141 - Vulnerability Details - OpenCVE

Description

An issue was discovered on FiberHome HG6245D devices through RP2613. Credentials in /fhconf/umconfig.txt are obfuscated via XOR with the hardcoded *j7a(L#yZ98sSd5HfSgGjMj8;Ss;d)(*&^#@$a2s0i3g key. (The webs binary has details on how XOR is used.)

Published: 2021-02-10

Score: 9.8 Critical

EPSS: < 1% Very 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:fiberhome:hg6245d_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:fiberhome:hg6245d:-:*:*:*:*:*:*:*

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

Source	ID	Title
EUVD	EUVD-2021-13908	An issue was discovered on FiberHome HG6245D devices through RP2613. Credentials in /fhconf/umconfig.txt are obfuscated via XOR with the hardcoded j7a(L#yZ98sSd5HfSgGjMj8;Ss;d)(&^#@$a2s0i3g key. (The webs binary has details on how XOR is used.)

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

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.

The EPSS score is 0.00681.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#httpd-decryption-algorithm

History

No history.

Subscriptions

Fiberhome Hg6245d Hg6245d Firmware

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-02-10T18:40:55.000Z

Updated: 2024-08-03T20:40:47.381Z

Reserved: 2021-02-10T00:00:00.000Z

Link: CVE-2021-27141

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-02-10T19:15:12.807

Modified: 2024-11-21T05:57:23.870

Link: CVE-2021-27141

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-798

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