Vulnerability-Lookup

GHSA-9JRM-MCR7-5P6M

Vulnerability from github – Published: 2025-12-18 21:31 – Updated: 2025-12-18 21:31

Details

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.

Severity ?

7.5 (High)


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

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

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2021-47712"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-327"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-12-18T20:15:49Z",
    "severity": "MODERATE"
  },
  "details": "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.",
  "id": "GHSA-9jrm-mcr7-5p6m",
  "modified": "2025-12-18T21:31:43Z",
  "published": "2025-12-18T21:31:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47712"
    },
    {
      "type": "WEB",
      "url": "https://devnet.kentico.com/download/hotfixes"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/kentico-xperience-url-hashing-cryptography-vulnerability"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2021-47712 (GCVE-0-2021-47712)

Vulnerability from cvelistv5 – Published: 2025-12-18 19:53 – Updated: 2025-12-18 21:48

Title

Kentico Xperience <= 12.0.102 URL Hashing Cryptography Vulnerability

Summary

Severity ?

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

7.5 (High)


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

CWE

CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

Assigner

VulnCheck

References

URL

Tags

	https://devnet.kentico.com/download/hotfixes	vendor-advisorypatch
	https://www.vulncheck.com/advisories/kentico-xper…	third-party-advisory

Impacted products

	Vendor	Product	Version
	Kentico	Xperience	Affected: 0 , ≤ 12.0.102 (custom)

Date Public ?

2023-07-03 00:00

Show details on NVD website

JSON

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  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-47712",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-18T21:08:25.766329Z",
                "version": "2.0.3"
              },
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        "providerMetadata": {
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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    ],
    "cna": {
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            }
          ]
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      ],
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            "Recovery": "NOT_DEFINED",
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      },
      "references": [
        {
          "name": "Kentico DevNet Hotfixes",
          "tags": [
            "vendor-advisory",
            "patch"
          ],
          "url": "https://devnet.kentico.com/download/hotfixes"
        },
        {
          "name": "VulnCheck Advisory: Kentico Xperience \u003c= 12.0.102 URL Hashing Cryptography Vulnerability",
          "tags": [
            "third-party-advisory"
          ],
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      ],
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-9JRM-MCR7-5P6M

CVE-2021-47712 (GCVE-0-2021-47712)

Tags

Sightings

Nomenclature