CVE-2021-47712

Unknown Unknown - Not Provided

BaseFortify

Publication date: 2025-12-18

Last updated on: 2025-12-24

Assigner: VulnCheck

Description

A cryptography vulnerability in Kentico Xperience allows attackers to potentially manipulate URL hash values through existing hashing mechanisms. The hotfix introduces an additional security layer to prevent hash value reuse and potential exploitation.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2025-12-18

Last Modified

2025-12-24

Generated

2026-07-06

AI Q&A

2025-12-18

EPSS Evaluated

2026-07-05

NVD

CVE-2021-47712

EUVD

EUVD-2025-204349

Affected Vendors & Products

Vendor	Product	Version / Range
kentico	xperience	to 12.0.102 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-327	The product uses a broken or risky cryptographic algorithm or protocol.

Attack-Flow Graph

Executive Summary

This vulnerability is a cryptographic issue in Kentico Xperience's URL hashing mechanism, where a broken or risky cryptographic algorithm allows attackers to manipulate URL hash values. This manipulation can lead to hash value reuse and potential exploitation, compromising the security of the system. A hotfix has been released to add an additional security layer to prevent these issues. [1]

Impact Analysis

The vulnerability can allow attackers to manipulate URL hash values, potentially leading to security risks such as reuse of hash values and exploitation of the hashing mechanism. This could impact the confidentiality, integrity, and availability of the system at low levels. [1]

Mitigation Strategies

To mitigate this vulnerability, you should apply the hotfix released by Kentico that introduces an additional security layer to prevent hash value reuse and exploitation of the URL hashing mechanism. [1]

Hi! I’m here to help you understand CVE-2021-47712. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70