Vulnerability Name:

CVE-2020-1697 (CCN-176126)

Assigned:2019-11-27
Published:2020-01-16
Updated:2020-03-11
Summary: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 Severity:5.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N)
4.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
6.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.3 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:3.5 Low (CVSS v2 Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
5.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-79
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-1697

Source: CCN
Type: KeyCloak Web site
KeyCloak

Source: CCN
Type: Red Hat Bugzilla – Bug 1791538
(CVE-2020-1697) - CVE-2020-1697 keycloak: stored XSS in client settings via application links

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

Source: XF
Type: UNKNOWN
keycloak-cve20201697-xss(176126)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:redhat:keycloak:*:*:*:*:*:*:*:* (Version < 9.0.0)

    • Configuration 2:
  • cpe:/a:redhat:single_sign-on:7.3:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:keycloak:keycloak:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    redhat keycloak *
    redhat single sign-on 7.3
    keycloak keycloak *