PT-2025-52301 · Kentico · Kentico Xperience

Published 2025-12-18 · Updated 2025-12-19 · CVE-2021-47712

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Kentico Xperience (affected versions not specified)

Description A cryptography issue exists in Kentico Xperience that may allow attackers to manipulate URL hash values by exploiting existing hashing mechanisms. A hotfix introduces an additional security layer to prevent hash value reuse and potential exploitation.

Recommendations Apply the available hotfix to address this issue.

Fix

Use of a Broken Cryptographic Algorithm

Weakness Enumeration

CWE-327

Related Identifiers

CVE-2021-47712

Affected Products

Kentico Xperience

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-47712 · Security Note
• https://osv.dev/vulnerability/CVE-2021-47712 · Vendor Advisory
• https://vulncheck.com/advisories/kentico-xperience-url-hashing-cryptography-vulnerability · Note
• https://twitter.com/CVEnew/status/2002117800412827954 · Twitter Post
• https://devnet.kentico.com/download/hotfixes · Patch, Vendor Advisory