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Vulnerability details: VCID-e8kx-9sx3-dkc8
Vulnerability ID VCID-e8kx-9sx3-dkc8
Aliases CVE-2018-10912
GHSA-h7j7-pw3v-3v3x
Summary Moderate severity vulnerability that affects org.keycloak:keycloak-core keycloak before version 4.0.0.final is vulnerable to a infinite loop in session replacement. A Keycloak cluster with multiple nodes could mishandle an expired session replacement and lead to an infinite loop. A malicious authenticated user could use this flaw to achieve Denial of Service on the server.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
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 4.4 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-10912.json
epss 0.00474 https://api.first.org/data/v1/epss?cve=CVE-2018-10912
epss 0.00474 https://api.first.org/data/v1/epss?cve=CVE-2018-10912
epss 0.00474 https://api.first.org/data/v1/epss?cve=CVE-2018-10912
epss 0.00474 https://api.first.org/data/v1/epss?cve=CVE-2018-10912
epss 0.00474 https://api.first.org/data/v1/epss?cve=CVE-2018-10912
epss 0.00474 https://api.first.org/data/v1/epss?cve=CVE-2018-10912
epss 0.00474 https://api.first.org/data/v1/epss?cve=CVE-2018-10912
epss 0.00474 https://api.first.org/data/v1/epss?cve=CVE-2018-10912
epss 0.00474 https://api.first.org/data/v1/epss?cve=CVE-2018-10912
epss 0.00474 https://api.first.org/data/v1/epss?cve=CVE-2018-10912
epss 0.00474 https://api.first.org/data/v1/epss?cve=CVE-2018-10912
epss 0.00474 https://api.first.org/data/v1/epss?cve=CVE-2018-10912
epss 0.00474 https://api.first.org/data/v1/epss?cve=CVE-2018-10912
epss 0.00474 https://api.first.org/data/v1/epss?cve=CVE-2018-10912
epss 0.00474 https://api.first.org/data/v1/epss?cve=CVE-2018-10912
epss 0.00474 https://api.first.org/data/v1/epss?cve=CVE-2018-10912
cvssv3.1 4.9 https://github.com/advisories/GHSA-h7j7-pw3v-3v3x
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-h7j7-pw3v-3v3x
generic_textual MODERATE https://github.com/advisories/GHSA-h7j7-pw3v-3v3x
cvssv3.1 4.9 https://github.com/keycloak/keycloak
generic_textual MODERATE https://github.com/keycloak/keycloak
cvssv2 4.0 https://nvd.nist.gov/vuln/detail/CVE-2018-10912
cvssv3.1 4.9 https://nvd.nist.gov/vuln/detail/CVE-2018-10912
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2018-10912
Reference id Reference type URL
https://access.redhat.com/errata/RHSA-2018:2428
https://access.redhat.com/errata/RHSA-2019:0877
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-10912.json
https://api.first.org/data/v1/epss?cve=CVE-2018-10912
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10912
https://github.com/advisories/GHSA-h7j7-pw3v-3v3x
https://github.com/keycloak/keycloak
https://nvd.nist.gov/vuln/detail/CVE-2018-10912
1607624 https://bugzilla.redhat.com/show_bug.cgi?id=1607624
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:7.2:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:redhat:single_sign-on:7.2:*:*:*:*:*:*:*
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-10912.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:H/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/advisories/GHSA-h7j7-pw3v-3v3x
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:H/UI:N/S:U/C:N/I:N/A:H 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:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-10912
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:H/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-10912
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 0.63728
EPSS Score 0.00474
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:55:28.256839+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2018/10/GHSA-h7j7-pw3v-3v3x/GHSA-h7j7-pw3v-3v3x.json 37.0.0