CVE-2021-20721

KonaWiki2 versions prior to 2.2.4 allows a remote attacker to upload arbitrary files via unspecified vectors. If the file contains PHP scripts, arbitrary code may be executed.

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://jvn.jp/en/jp/JVN34232719/index.html	Third Party Advisory
https://kujirahand.com/konawiki/	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:kujirahand:konawiki:*:*:*:*:*:*:*:*

History

25 May 2021, 20:09

Type	Values Removed	Values Added
CWE		CWE-434
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.5 v3 : 9.8
CPE		cpe:2.3:a:kujirahand:konawiki::::::::
References	~~(MISC) https://jvn.jp/en/jp/JVN34232719/index.html -~~	(MISC) https://jvn.jp/en/jp/JVN34232719/index.html - Third Party Advisory
References	~~(MISC) https://kujirahand.com/konawiki/ -~~	(MISC) https://kujirahand.com/konawiki/ - Vendor Advisory

20 May 2021, 02:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-05-20 02:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-20721

Mitre link : CVE-2021-20721

CVE.ORG link : CVE-2021-20721

JSON object : View

Products Affected

kujirahand

konawiki

CWE

CWE-434

Unrestricted Upload of File with Dangerous Type

{"id": "CVE-2021-20721", "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}]}, "published": "2021-05-20T02:15:07.220", "references": [{"url": "https://jvn.jp/en/jp/JVN34232719/index.html", "tags": ["Third Party Advisory"], "source": "vultures@jpcert.or.jp"}, {"url": "https://kujirahand.com/konawiki/", "tags": ["Vendor Advisory"], "source": "vultures@jpcert.or.jp"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-434"}]}], "descriptions": [{"lang": "en", "value": "KonaWiki2 versions prior to 2.2.4 allows a remote attacker to upload arbitrary files via unspecified vectors. If the file contains PHP scripts, arbitrary code may be executed."}, {"lang": "es", "value": "KonaWiki2 versiones anteriores a 2.2.4, permiten a un atacante remoto cargar archivos arbitrarios por medio de vectores no especificados. Si el archivo contiene scripts PHP, un c\u00f3digo arbitrario puede ser ejecutado"}], "lastModified": "2021-05-25T20:09:58.077", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:kujirahand:konawiki:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "ECD068F3-E7A6-4E63-B60F-21AC272274F9", "versionEndExcluding": "2.2.4"}], "operator": "OR"}]}], "sourceIdentifier": "vultures@jpcert.or.jp"}