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Vulnerability details: VCID-e3ff-n9zd-u7fm
Vulnerability ID VCID-e3ff-n9zd-u7fm
Aliases CVE-2020-1724
GHSA-8xj2-47xw-q78c
Summary Keycloak Insufficient Session Expiry A flaw was found in Keycloak in versions before 9.0.2. This flaw allows a malicious user that is currently logged in, to see the personal information of a previously logged out user in the account manager section.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-613 Insufficient Session Expiration
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 4.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-1724.json
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2020-1724
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2020-1724
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2020-1724
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2020-1724
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2020-1724
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2020-1724
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2020-1724
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2020-1724
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2020-1724
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2020-1724
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2020-1724
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2020-1724
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2020-1724
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2020-1724
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2020-1724
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2020-1724
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2020-1724
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2020-1724
epss 0.00232 https://api.first.org/data/v1/epss?cve=CVE-2020-1724
cvssv3.1 4.3 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1724
generic_textual MODERATE https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1724
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-8xj2-47xw-q78c
cvssv3.1 4.3 https://github.com/keycloak/keycloak
generic_textual MODERATE https://github.com/keycloak/keycloak
cvssv2 4.0 https://nvd.nist.gov/vuln/detail/CVE-2020-1724
cvssv3.1 4.3 https://nvd.nist.gov/vuln/detail/CVE-2020-1724
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2020-1724
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-1724.json
https://api.first.org/data/v1/epss?cve=CVE-2020-1724
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1724
https://github.com/keycloak/keycloak
https://nvd.nist.gov/vuln/detail/CVE-2020-1724
1800527 https://bugzilla.redhat.com/show_bug.cgi?id=1800527
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:openshift_application_runtimes:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:openshift_application_runtimes:-:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
GHSA-8xj2-47xw-q78c https://github.com/advisories/GHSA-8xj2-47xw-q78c
RHSA-2020:2106 https://access.redhat.com/errata/RHSA-2020:2106
RHSA-2020:2107 https://access.redhat.com/errata/RHSA-2020:2107
RHSA-2020:2108 https://access.redhat.com/errata/RHSA-2020:2108
RHSA-2020:2112 https://access.redhat.com/errata/RHSA-2020:2112
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:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-1724.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:L/UI:N/S:U/C:L/I:N/A:N Found at https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1724
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:L/UI:N/S:U/C:L/I:N/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:L/Au:S/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-1724
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:L/UI:N/S:U/C:L/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-1724
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 0.46019
EPSS Score 0.00232
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T09:09:29.290026+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-8xj2-47xw-q78c/GHSA-8xj2-47xw-q78c.json 37.0.0