CVE-2021-42675

Kreado Kreasfero 1.5 does not properly sanitize uploaded files to the media directory. One can upload a malicious PHP file and obtain remote code execution.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://twitter.com/1ofThegutHakrs/status/1536246485188128768	Exploit Third Party Advisory
https://twitter.com/1ofThegutHakrs/status/1536246485188128768	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:kreado:kreasfero:1.5:*:*:*:*:*:*:*

History

09 Jul 2026, 01:17

Type	Values Removed	Values Added
References	~~{'url': 'http://kreado.com', 'tags': ['Vendor Advisory'], 'source': 'af854a3a-2127-422b-91ae-364da2661108'}~~ ~~{'url': 'http://kreasfero.com', 'tags': ['Vendor Advisory'], 'source': 'af854a3a-2127-422b-91ae-364da2661108'}~~

21 Nov 2024, 06:27

Type	Values Removed	Values Added
References	~~() http://kreado.com - Vendor Advisory~~	() http://kreado.com - Vendor Advisory
References	~~() http://kreasfero.com - Vendor Advisory~~	() http://kreasfero.com - Vendor Advisory
References	~~() https://twitter.com/1ofThegutHakrs/status/1536246485188128768 - Exploit, Third Party Advisory~~	() https://twitter.com/1ofThegutHakrs/status/1536246485188128768 - Exploit, Third Party Advisory

Information

Published : 2022-06-14 17:15

Updated : 2026-07-09 01:17

NVD link : CVE-2021-42675

Mitre link : CVE-2021-42675

CVE.ORG link : CVE-2021-42675

JSON object : View

Products Affected

kreado

kreasfero

CWE

CWE-434

Unrestricted Upload of File with Dangerous Type

{"id": "CVE-2021-42675", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}]}], "published": "2022-06-14T17:15:08.120", "references": [{"url": "https://twitter.com/1ofThegutHakrs/status/1536246485188128768", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://twitter.com/1ofThegutHakrs/status/1536246485188128768", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-434"}]}], "descriptions": [{"lang": "en", "value": "Kreado Kreasfero 1.5 does not properly sanitize uploaded files to the media directory. One can upload a malicious PHP file and obtain remote code execution."}, {"lang": "es", "value": "Kreado Kreasfero versi\u00f3n 1.5, no sanea apropiadamente los archivos subidos al directorio multimedia. Puede subirse un archivo PHP malicioso y obtener una ejecuci\u00f3n de c\u00f3digo remota"}], "lastModified": "2026-07-09T01:17:06.620", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:kreado:kreasfero:1.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AED945A6-DA1F-4052-AC22-CDE1ADF52472"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}