CVE-2020-2503

If exploited, this stored cross-site scripting vulnerability could allow remote attackers to inject malicious code in File Station. QNAP has already fixed these issues in QES 2.1.1 Build 20201006 and later.

CVSS v3 5.4 MEDIUM
CVSS v2.0 3.5 LOW

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

3.5^/10

CVSS v2.0 : LOW

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

Exploitability : 6.8 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://www.qnap.com/zh-tw/security-advisory/qsa-20-17	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:qnap:qes::::::::
	cpe:2.3:a:qnap:qes:2.1.1:-::::::
	cpe:2.3:a:qnap:qes:2.1.1:build_20200211::::::
	cpe:2.3:a:qnap:qes:2.1.1:build_20200303::::::
	cpe:2.3:a:qnap:qes:2.1.1:build_20200319::::::
	cpe:2.3:a:qnap:qes:2.1.1:build_20200424::::::
	cpe:2.3:a:qnap:qes:2.1.1:build_20200515::::::
	cpe:2.3:a:qnap:qes:2.1.1:build_20200811::::::

History

28 Dec 2020, 15:33

Type	Values Removed	Values Added
References	~~(MISC) https://www.qnap.com/zh-tw/security-advisory/qsa-20-17 -~~	(MISC) https://www.qnap.com/zh-tw/security-advisory/qsa-20-17 - Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 3.5 v3 : 5.4
CWE		CWE-79
CPE		cpe:2.3:a:qnap:qes:2.1.1:-:::::: cpe:2.3:a:qnap:qes:2.1.1:build_20200303:::::: cpe:2.3:a:qnap:qes:::::::: cpe:2.3:a:qnap:qes:2.1.1:build_20200211:::::: cpe:2.3:a:qnap:qes:2.1.1:build_20200424:::::: cpe:2.3:a:qnap:qes:2.1.1:build_20200515:::::: cpe:2.3:a:qnap:qes:2.1.1:build_20200319:::::: cpe:2.3:a:qnap:qes:2.1.1:build_20200811::::::

Information

Published : 2020-12-24 02:15

Updated : 2023-12-10 13:41

NVD link : CVE-2020-2503

Mitre link : CVE-2020-2503

CVE.ORG link : CVE-2020-2503

JSON object : View

Products Affected

qnap

qes

CWE

CWE-79

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

CWE-749

Exposed Dangerous Method or Function

CWE-80

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

{"id": "CVE-2020-2503", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 3.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 6.8, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.3}, {"type": "Secondary", "source": "security@qnapsecurity.com.tw", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.0, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 2.3}]}, "published": "2020-12-24T02:15:12.547", "references": [{"url": "https://www.qnap.com/zh-tw/security-advisory/qsa-20-17", "tags": ["Vendor Advisory"], "source": "security@qnapsecurity.com.tw"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-79"}]}, {"type": "Secondary", "source": "security@qnapsecurity.com.tw", "description": [{"lang": "en", "value": "CWE-749"}, {"lang": "en", "value": "CWE-79"}, {"lang": "en", "value": "CWE-80"}]}], "descriptions": [{"lang": "en", "value": "If exploited, this stored cross-site scripting vulnerability could allow remote attackers to inject malicious code in File Station. QNAP has already fixed these issues in QES 2.1.1 Build 20201006 and later."}, {"lang": "es", "value": "Si se explota, esta vulnerabilidad de tipo cross-site scripting almacenado podr\u00eda permitir a atacantes remotos inyectar c\u00f3digo malicioso en File Station. QNAP ya ha corregido estos problemas en QES versiones 2.1.1 Build 20201006 y posteriores"}], "lastModified": "2020-12-28T15:33:59.797", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:qnap:qes:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B5DBF31A-5D26-4C7D-8E69-31061FC16C6D", "versionEndExcluding": "2.1.1"}, {"criteria": "cpe:2.3:a:qnap:qes:2.1.1:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B075440F-4DEA-494D-AE27-1182CA4889D1"}, {"criteria": "cpe:2.3:a:qnap:qes:2.1.1:build_20200211:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "67632014-C383-490C-B048-4DFE88AD3F30"}, {"criteria": "cpe:2.3:a:qnap:qes:2.1.1:build_20200303:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AF83A348-E7B1-4008-8313-9F28B9A9B020"}, {"criteria": "cpe:2.3:a:qnap:qes:2.1.1:build_20200319:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AAF45709-BE55-45A4-8DD1-0D3E417D8382"}, {"criteria": "cpe:2.3:a:qnap:qes:2.1.1:build_20200424:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7C956E79-D019-4AE3-BB65-9A70282CD780"}, {"criteria": "cpe:2.3:a:qnap:qes:2.1.1:build_20200515:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DB21A827-5B92-468F-9BD0-09EB3E8A2ED4"}, {"criteria": "cpe:2.3:a:qnap:qes:2.1.1:build_20200811:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DA11F0F0-236A-4A24-9AF7-DC8E78D5AA3C"}], "operator": "OR"}]}], "sourceIdentifier": "security@qnapsecurity.com.tw"}