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Vulnerability details: VCID-sta4-3tue-aaac
Vulnerability ID VCID-sta4-3tue-aaac
Aliases CVE-2021-20323
GHSA-xpgc-j48j-jwv9
Summary Cross-site Scripting in Keycloak
Status Published
Exploitability 2.0
Weighted Severity 8.0
Risk 10.0
Affected and Fixed Packages Package Details
Weaknesses (3)
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
rhas Important https://access.redhat.com/errata/RHSA-2022:0407
cvssv3 6.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20323.json
epss 0.00168 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.00168 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.00168 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.00168 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.00168 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.00168 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.00168 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.00168 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.00168 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.00225 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.00225 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.00225 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.00228 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.68592 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.68592 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.68592 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.68592 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.68592 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.68876 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.69715 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.69715 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.69715 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.7008 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.7008 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.70865 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.70865 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.70865 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.70865 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.70865 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.70865 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.70865 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.70865 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.70865 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.70865 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73157 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73157 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73157 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73157 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73157 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73157 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73885 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73885 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73885 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73885 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73885 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73885 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73885 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73885 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73885 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73885 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73885 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73885 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73885 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73885 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73885 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73885 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.73885 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
epss 0.85275 https://api.first.org/data/v1/epss?cve=CVE-2021-20323
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=2013577
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-xpgc-j48j-jwv9
cvssv3.1 6.8 https://github.com/keycloak/keycloak
generic_textual HIGH https://github.com/keycloak/keycloak
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2021-20323
cvssv3 6.1 https://nvd.nist.gov/vuln/detail/CVE-2021-20323
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2021-20323
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20323.json
https://api.first.org/data/v1/epss?cve=CVE-2021-20323
https://github.com/keycloak/keycloak
2013577 https://bugzilla.redhat.com/show_bug.cgi?id=2013577
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-2021-20323 https://nvd.nist.gov/vuln/detail/CVE-2021-20323
GHSA-xpgc-j48j-jwv9 https://github.com/advisories/GHSA-xpgc-j48j-jwv9
RHSA-2022:0407 https://access.redhat.com/errata/RHSA-2022:0407
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-20323.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: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: AV:N/AC:M/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-20323
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:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-20323
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:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-20323
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 0.54253
EPSS Score 0.00168
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.