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Vulnerability details: VCID-873b-rjgu-uyf7
Vulnerability ID VCID-873b-rjgu-uyf7
Aliases CVE-2017-12161
GHSA-959q-32g8-vvp7
Summary Moderate severity vulnerability that affects org.keycloak:keycloak-core It was found that keycloak before 3.4.2 final would permit misuse of a client-side /etc/hosts entry to spoof a URL in a password reset request. An attacker could use this flaw to craft a malicious password reset request and gain a valid reset token, leading to information disclosure or further attacks.
Status Published
Exploitability 0.5
Weighted Severity 7.9
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-602 Client-Side Enforcement of Server-Side Security
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-640 Weak Password Recovery Mechanism for Forgotten Password
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 4.2 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-12161.json
epss 0.00294 https://api.first.org/data/v1/epss?cve=CVE-2017-12161
epss 0.00294 https://api.first.org/data/v1/epss?cve=CVE-2017-12161
epss 0.00294 https://api.first.org/data/v1/epss?cve=CVE-2017-12161
epss 0.00294 https://api.first.org/data/v1/epss?cve=CVE-2017-12161
epss 0.00294 https://api.first.org/data/v1/epss?cve=CVE-2017-12161
epss 0.00294 https://api.first.org/data/v1/epss?cve=CVE-2017-12161
epss 0.00294 https://api.first.org/data/v1/epss?cve=CVE-2017-12161
epss 0.00294 https://api.first.org/data/v1/epss?cve=CVE-2017-12161
epss 0.00294 https://api.first.org/data/v1/epss?cve=CVE-2017-12161
epss 0.00294 https://api.first.org/data/v1/epss?cve=CVE-2017-12161
epss 0.00294 https://api.first.org/data/v1/epss?cve=CVE-2017-12161
epss 0.00294 https://api.first.org/data/v1/epss?cve=CVE-2017-12161
epss 0.00294 https://api.first.org/data/v1/epss?cve=CVE-2017-12161
epss 0.00294 https://api.first.org/data/v1/epss?cve=CVE-2017-12161
epss 0.00294 https://api.first.org/data/v1/epss?cve=CVE-2017-12161
epss 0.00294 https://api.first.org/data/v1/epss?cve=CVE-2017-12161
epss 0.00294 https://api.first.org/data/v1/epss?cve=CVE-2017-12161
generic_textual MODERATE https://bugzilla.redhat.com/show_bug.cgi?id=1484564
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-959q-32g8-vvp7
generic_textual MODERATE https://github.com/advisories/GHSA-959q-32g8-vvp7
generic_textual MODERATE https://github.com/keycloak/keycloak-documentation/pull/268/commits/a2b58aadee42af2c375b72e86dffc2cf23cc3770
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2017-12161
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2017-12161
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2017-12161
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-12161.json
https://api.first.org/data/v1/epss?cve=CVE-2017-12161
https://bugzilla.redhat.com/show_bug.cgi?id=1484564
https://github.com/advisories/GHSA-959q-32g8-vvp7
https://github.com/keycloak/keycloak-documentation/pull/268/commits/a2b58aadee42af2c375b72e86dffc2cf23cc3770
https://nvd.nist.gov/vuln/detail/CVE-2017-12161
cpe:2.3:a:keycloak:keycloak:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:keycloak:keycloak:*:*:*:*:*:*:*:*
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-12161.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: AV:N/AC:M/Au:N/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2017-12161
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:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2017-12161
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 0.52346
EPSS Score 0.00294
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:55:32.485463+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2018/10/GHSA-959q-32g8-vvp7/GHSA-959q-32g8-vvp7.json 37.0.0