CVE-2021-47712
Kentico Xperience <= 12.0.102 URL Hashing Cryptography Vulnerability
- State
- Published
- Severity
- 6.9 Medium
- Published
- Dec 18, 2025
- Updated
- Dec 18, 2025
- Reserved
- Dec 5, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-327 Use of a Broken or Risky Cryptographic Algorithm
Affected Products
| Product | Versions |
|---|---|
XperienceKentico |
|
References
- Kentico DevNet Hotfixesvendor-advisorypatch
- VulnCheck Advisory: Kentico Xperience <= 12.0.102 URL Hashing Cryptography Vulnerabilitythird-party-advisory
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