CVE-2020-1697

It was found in all keycloak versions before 9.0.0 that links to external applications (Application Links) in the admin console are not validated properly and could allow Stored XSS attacks. An authed malicious user could create URLs to trick users in other realms, and possibly conduct further attacks.

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://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1697	Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:redhat:single_sign-on:7.3:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-02-10 15:15

Updated : 2023-12-10 13:13

NVD link : CVE-2020-1697

Mitre link : CVE-2020-1697

CVE.ORG link : CVE-2020-1697

JSON object : View

Products Affected

redhat

single_sign-on
keycloak

CWE

CWE-79

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

{"id": "CVE-2020-1697", "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": "secalert@redhat.com", "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}]}, "published": "2020-02-10T15:15:21.497", "references": [{"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1697", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-79"}]}, {"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "It was found in all keycloak versions before 9.0.0 that links to external applications (Application Links) in the admin console are not validated properly and could allow Stored XSS attacks. An authed malicious user could create URLs to trick users in other realms, and possibly conduct further attacks."}, {"lang": "es", "value": "Se encontr\u00f3 en todas las versiones de keycloak anteriores a 9.0.0 que los enlaces de aplicaciones externas (Application Links) en la consola de administraci\u00f3n no est\u00e1n validados apropiadamente y podr\u00edan permitir ataques de tipo XSS almacenado. Un usuario malicioso autorizado podr\u00eda crear una URL para enga\u00f1ar a los usuarios en otras esferas y posiblemente conducir nuevos ataques."}], "lastModified": "2023-11-07T03:19:27.053", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5BB41E7C-AE34-41FF-AD28-573D002945FB", "versionEndExcluding": "9.0.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:single_sign-on:7.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E939A0E0-3437-459E-9FAB-FE42811B1D32"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}