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Vulnerability details: VCID-m2sg-bxzt-d3g7
Vulnerability ID VCID-m2sg-bxzt-d3g7
Aliases CVE-2020-1744
GHSA-4gf2-xv97-63m2
Summary Exposure of Sensitive Information in keycloak A flaw was found in keycloak before version 9.0.1. When configuring an Conditional OTP Authentication Flow as a post login flow of an IDP, the failure login events for OTP are not being sent to the brute force protection event queue. So BruteForceProtector does not handle this events.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-755 Improper Handling of Exceptional Conditions
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 5.6 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-1744.json
cvssv3.1 5.6 https://access.redhat.com/security/cve/CVE-2020-1744
generic_textual MODERATE https://access.redhat.com/security/cve/CVE-2020-1744
epss 0.00333 https://api.first.org/data/v1/epss?cve=CVE-2020-1744
epss 0.00333 https://api.first.org/data/v1/epss?cve=CVE-2020-1744
epss 0.00333 https://api.first.org/data/v1/epss?cve=CVE-2020-1744
epss 0.00333 https://api.first.org/data/v1/epss?cve=CVE-2020-1744
epss 0.00333 https://api.first.org/data/v1/epss?cve=CVE-2020-1744
epss 0.00333 https://api.first.org/data/v1/epss?cve=CVE-2020-1744
epss 0.00333 https://api.first.org/data/v1/epss?cve=CVE-2020-1744
epss 0.00333 https://api.first.org/data/v1/epss?cve=CVE-2020-1744
epss 0.00333 https://api.first.org/data/v1/epss?cve=CVE-2020-1744
epss 0.00333 https://api.first.org/data/v1/epss?cve=CVE-2020-1744
epss 0.00333 https://api.first.org/data/v1/epss?cve=CVE-2020-1744
epss 0.00333 https://api.first.org/data/v1/epss?cve=CVE-2020-1744
epss 0.00333 https://api.first.org/data/v1/epss?cve=CVE-2020-1744
epss 0.00333 https://api.first.org/data/v1/epss?cve=CVE-2020-1744
epss 0.00333 https://api.first.org/data/v1/epss?cve=CVE-2020-1744
epss 0.00333 https://api.first.org/data/v1/epss?cve=CVE-2020-1744
epss 0.00333 https://api.first.org/data/v1/epss?cve=CVE-2020-1744
epss 0.00333 https://api.first.org/data/v1/epss?cve=CVE-2020-1744
epss 0.00333 https://api.first.org/data/v1/epss?cve=CVE-2020-1744
cvssv3.1 5.6 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1744
generic_textual MODERATE https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1744
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-4gf2-xv97-63m2
cvssv3.1 5.6 https://github.com/keycloak/keycloak
generic_textual MODERATE https://github.com/keycloak/keycloak
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2020-1744
cvssv3.1 5.6 https://nvd.nist.gov/vuln/detail/CVE-2020-1744
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2020-1744
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-1744.json
https://access.redhat.com/security/cve/CVE-2020-1744
https://api.first.org/data/v1/epss?cve=CVE-2020-1744
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1744
https://github.com/keycloak/keycloak
https://nvd.nist.gov/vuln/detail/CVE-2020-1744
1805792 https://bugzilla.redhat.com/show_bug.cgi?id=1805792
cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
GHSA-4gf2-xv97-63m2 https://github.com/advisories/GHSA-4gf2-xv97-63m2
RHSA-2020:0945 https://access.redhat.com/errata/RHSA-2020:0945
RHSA-2020:0946 https://access.redhat.com/errata/RHSA-2020:0946
RHSA-2020:0947 https://access.redhat.com/errata/RHSA-2020:0947
RHSA-2020:0951 https://access.redhat.com/errata/RHSA-2020:0951
RHSA-2020:2252 https://access.redhat.com/errata/RHSA-2020:2252
RHSA-2020:2905 https://access.redhat.com/errata/RHSA-2020:2905
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-1744.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L Found at https://access.redhat.com/security/cve/CVE-2020-1744
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L Found at https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1744
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L Found at https://github.com/keycloak/keycloak
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-1744
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2020-1744
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.5555
EPSS Score 0.00333
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:49:24.922076+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/09/GHSA-4gf2-xv97-63m2/GHSA-4gf2-xv97-63m2.json 37.0.0