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Vulnerability details: VCID-x3t2-vuap-aaaq
Vulnerability ID VCID-x3t2-vuap-aaaq
Aliases CVE-2021-20195
GHSA-q6w2-89hq-hq27
Summary Cross-site scripting in keycloak
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (5)
CWE-116 Improper Encoding or Escaping of Output
CWE-20 Improper Input Validation
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
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 8.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20195.json
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00305 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00313 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00313 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00313 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00313 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00313 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00313 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00313 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00313 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00313 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00313 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
epss 0.00753 https://api.first.org/data/v1/epss?cve=CVE-2021-20195
rhbs high https://bugzilla.redhat.com/show_bug.cgi?id=1919143
cvssv3.1_qr CRITICAL https://github.com/advisories/GHSA-q6w2-89hq-hq27
cvssv3.1 9.6 https://github.com/keycloak/keycloak/commit/717d9515fa131e3d8c8936e41b2e52270fdec976
generic_textual CRITICAL https://github.com/keycloak/keycloak/commit/717d9515fa131e3d8c8936e41b2e52270fdec976
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2021-20195
cvssv3 9.6 https://nvd.nist.gov/vuln/detail/CVE-2021-20195
cvssv3.1 9.6 https://nvd.nist.gov/vuln/detail/CVE-2021-20195
archlinux High https://security.archlinux.org/AVG-1578
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20195.json
https://api.first.org/data/v1/epss?cve=CVE-2021-20195
https://github.com/keycloak/keycloak/commit/717d9515fa131e3d8c8936e41b2e52270fdec976
1919143 https://bugzilla.redhat.com/show_bug.cgi?id=1919143
ASA-202102-29 https://security.archlinux.org/ASA-202102-29
AVG-1578 https://security.archlinux.org/AVG-1578
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:*:*:*:*:*:*:*:*
CVE-2021-20195 https://nvd.nist.gov/vuln/detail/CVE-2021-20195
GHSA-q6w2-89hq-hq27 https://github.com/advisories/GHSA-q6w2-89hq-hq27
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20195.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:R/S:C/C:H/I:H/A:H Found at https://github.com/keycloak/keycloak/commit/717d9515fa131e3d8c8936e41b2e52270fdec976
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-2021-20195
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:L/PR:N/UI:R/S:C/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-20195
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:R/S:C/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-20195
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 0.53657
EPSS Score 0.00163
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.