CVE-2021-34357

A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running QmailAgent. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of QmailAgent: QmailAgent 3.0.2 ( 2021/08/25 ) and later

CVSS v3 6.1 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://www.qnap.com/en/security-advisory/qsa-21-47	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:qnap:qmailagent:*:*:*:*:*:*:*:*

cpe:2.3:h:qnap:nas:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-11-13 01:15

Updated : 2024-02-28 18:48

NVD link : CVE-2021-34357

Mitre link : CVE-2021-34357

CVE.ORG link : CVE-2021-34357

JSON object : View

Products Affected

qnap

nas
qmailagent

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

{"id": "CVE-2021-34357", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "security@qnapsecurity.com.tw", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 4.7, "exploitabilityScore": 1.6}]}, "published": "2021-11-13T01:15:07.557", "references": [{"url": "https://www.qnap.com/en/security-advisory/qsa-21-47", "tags": ["Vendor Advisory"], "source": "security@qnapsecurity.com.tw"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security@qnapsecurity.com.tw", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running QmailAgent. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of QmailAgent: QmailAgent 3.0.2 ( 2021/08/25 ) and later"}, {"lang": "es", "value": "Se ha informado de una vulnerabilidad de tipo cross-site scripting (XSS) que afecta al dispositivo de QNAP que ejecuta QmailAgent. Si es explotada, esta vulnerabilidad permite a atacantes remotos inyectar c\u00f3digo malicioso. Ya hemos corregido esta vulnerabilidad en las siguientes versiones de QmailAgent: QmailAgent versi\u00f3n 3.0.2 (25/08/2021) y posteriores"}], "lastModified": "2021-11-16T15:01:54.090", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:qnap:qmailagent:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "997A9214-0E64-461B-8ABA-6F75DDBC9C59", "versionEndExcluding": "3.0.2"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:qnap:nas:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "80C76690-809E-4A12-BF56-D713DD49ED27"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "security@qnapsecurity.com.tw"}