CVE-2025-56221 | A lack of rate limiting in the login mechanism of SigningHub… | CVSS 9.8 CRITICAL

Description

A lack of rate limiting in the login mechanism of SigningHub v8.6.8 allows attackers to bypass authentication via a brute force attack.

CVE ID: CVE-2025-56221
State: PUBLISHED
Assigner: mitre
Reserved: 2025-08-16 00:00 UTC
Published: 2025-10-17 00:00 UTC
Last updated: 2025-10-17 19:02 UTC
Primary CWE: CWE-307
CWE-307 Improper Restriction of Excessive Authentication Att…
Vendor / Product: n/a / n/a
Sources: cve.org · NVD

9.8 CRITICAL CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC — CISA Coordinator

Affected products (1)

Vendor	Product	Platform	Versions
n/a	n/a	—	n/a

Weakness (CWE)

CWE	Source	Description
—	cna	n/a
CWE-307	adp	CWE-307 Improper Restriction of Excessive Authentication Attempts

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	adp	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (1)