Vulnerability Name:

CVE-2020-10686 (CCN-182237)

Assigned:2020-03-18
Published:2020-03-18
Updated:2022-08-05
Summary:A flaw was found in Keycloak version 8.0.2 and 9.0.0, and was fixed in Keycloak version 9.0.1, where a malicious user registers as oneself. The attacker could then use the remove devices form to post different credential IDs and possibly remove MFA devices for other users.
CVSS v3 Severity:4.7 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L)
4.1 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
3.5 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N)
3.1 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:6.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
2.7 Low (CCN CVSS v2 Vector: AV:A/AC:L/Au:S/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Adjacent_Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-Other
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2020-10686

Source: CCN
Type: Red Hat Bugzilla – Bug 1814609
(CVE-2020-10686) - CVE-2020-10686 keycloak: remove other users MFA devices

Source: CONFIRM
Type: Issue Tracking, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10686

Source: XF
Type: UNKNOWN
redhat-cve202010686-sec-bypass(182237)

Source: CCN
Type: Keycloak Web site
Keycloak

Vulnerable Configuration:Configuration 1:
  • cpe:/a:redhat:keycloak:9.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:redhat:keycloak:8.0.2:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:redhat:keycloak:9.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:redhat:keycloak:8.0.2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    redhat keycloak 9.0.0
    redhat keycloak 8.0.2
    redhat keycloak 9.0.0
    redhat keycloak 8.0.2