CVE-2023-49208 - Vulnerability Details - OpenCVE

Description

scheme/webauthn.c in Glewlwyd SSO server before 2.7.6 has a possible buffer overflow during FIDO2 credentials validation in webauthn registration.

Published: 2023-11-23

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 [-]

cpe:2.3:a:glewlwyd_sso_server_project:glewlwyd_sso_server:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2023-53212	scheme/webauthn.c in Glewlwyd SSO server before 2.7.6 has a possible buffer overflow during FIDO2 credentials validation in webauthn registration.

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

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00116.

Exploitation none

Automatable yes

Technical Impact total

References

Link	Providers
https://github.com/babelouest/glewlwyd/commit/f9d8c06aae8dfe17e761b18b577ff169e059e812
https://github.com/babelouest/glewlwyd/releases/tag/v2.7.6

History

Thu, 05 Jun 2025 19:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Glewlwyd Sso Server Project Glewlwyd Sso Server

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-11-23T00:00:00.000Z

Updated: 2025-06-05T14:14:45.618Z

Reserved: 2023-11-23T00:00:00.000Z

Link: CVE-2023-49208

Vulnrichment

Updated: 2024-08-02T21:53:44.789Z

NVD

Status : Modified

Published: 2023-11-23T18:15:07.410

Modified: 2025-06-05T15:15:23.953

Link: CVE-2023-49208

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-120

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