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Vulnerability details: VCID-p8eu-wjkn-aaas
Vulnerability ID VCID-p8eu-wjkn-aaas
Aliases CVE-2021-3754
GHSA-j9xq-j329-2xvg
Summary CVE-2021-3754 keycloak: allows using email as username
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-20 Improper Input Validation
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 3.7 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3754.json
cvssv3.1 5.3 https://access.redhat.com/security/cve/CVE-2021-3754
generic_textual MODERATE https://access.redhat.com/security/cve/CVE-2021-3754
epss 0.00089 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.00089 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.00089 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.00089 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.00089 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.00089 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.00089 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.00089 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.00089 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.00089 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.00089 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.00089 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.00089 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.00089 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.00089 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.00089 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04631 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.04922 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
epss 0.27331 https://api.first.org/data/v1/epss?cve=CVE-2021-3754
cvssv3.1 5.3 https://bugzilla.redhat.com/show_bug.cgi?id=1999196
generic_textual MODERATE https://bugzilla.redhat.com/show_bug.cgi?id=1999196
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-j9xq-j329-2xvg
cvssv3.1 5.3 https://github.com/keycloak/keycloak
cvssv3.1 6.8 https://github.com/keycloak/keycloak
generic_textual HIGH https://github.com/keycloak/keycloak
generic_textual MODERATE https://github.com/keycloak/keycloak
cvssv3 5.3 https://nvd.nist.gov/vuln/detail/CVE-2021-3754
cvssv3.1 5.3 https://nvd.nist.gov/vuln/detail/CVE-2021-3754
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2021-3754
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3754.json
https://access.redhat.com/security/cve/CVE-2021-3754
https://api.first.org/data/v1/epss?cve=CVE-2021-3754
https://bugzilla.redhat.com/show_bug.cgi?id=1999196
https://github.com/keycloak/keycloak
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:-:*:*:*:*:*:*:*
cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*
CVE-2021-3754 https://nvd.nist.gov/vuln/detail/CVE-2021-3754
GHSA-j9xq-j329-2xvg https://github.com/advisories/GHSA-j9xq-j329-2xvg
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3754.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:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://access.redhat.com/security/cve/CVE-2021-3754
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:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://bugzilla.redhat.com/show_bug.cgi?id=1999196
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:L/PR:N/UI:N/S:U/C:N/I:N/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: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N 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: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2021-3754
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:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2021-3754
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 0.39311
EPSS Score 0.00089
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.