Ascertia SigningHub up to 8.6.8 Reset Password excessive authentication

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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3.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Ascertia SigningHub up to 8.6.8 and classified as problematic. Impacted is an unknown function of the component Reset Password Handler. Executing a manipulation can lead to excessive authentication. The identification of this vulnerability is CVE-2025-54321. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Ascertia SigningHub up to 8.6.8. It has been declared as problematic. This vulnerability affects an unknown code of the component Reset Password Handler. The manipulation with an unknown input leads to a excessive authentication vulnerability. The CWE definition for the vulnerability is CWE-307. The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks. As an impact it is known to affect integrity. CVE summarizes:

In Ascertia SigningHub through 8.6.8, there is a lack of rate limiting on the reset password function, leading to an email bombing vulnerability. An authenticated attacker can exploit this by automating reset password requests.

The advisory is available at ascertia.com. This vulnerability was named CVE-2025-54321 since 07/20/2025. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1110.001 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Excessive authentication
CWE: CWE-307 / CWE-799 / CWE-400
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/20/2025 CVE reserved
11/18/2025 +121 days Advisory disclosed
11/18/2025 +0 days VulDB entry created
11/18/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: ascertia.com
Status: Not defined

CVE: CVE-2025-54321 (🔒)
GCVE (CVE): GCVE-0-2025-54321
GCVE (VulDB): GCVE-100-332854

Entryinfo

Created: 11/18/2025 20:24
Changes: 11/18/2025 20:24 (53)
Complete: 🔍
Cache ID: 216::103

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