CVE-2017-12161

mediumpriority · track · 35EPSS 0.013 · 70 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.31% (70th) EPSS

CVSS 4.3 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-26

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.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.3–8.8

v2.04.3mediumAV:N/AC:M/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.08.8highCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.08.1highCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-640USprimaryCWE-602USCWE-602US

affected products (3)

Products and version ranges known to be affected.

Red Hat, Inc. KeyCloak≤ before 3.4.2.Finalenisa_euvdEU
keycloak keycloak< 3.4.2nvdUScpe:2.3:a:keycloak:keycloak:*:*:*:*:*:*:*:*
Maven org.keycloak:keycloak-core< 3.4.2osvUSpkg:maven/org.keycloak/keycloak-core

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-959q-32g8-vvp7Moderate severity vulnerability that affects org.keycloak:keycloak-core2018-10-18ghsa · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2018-02-21modified 2026-06-17

related (366)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2023-7028US	critical9.8OT critical	94.5% (100th)	KEV	2024-01-12
An issue has been discovered in GitLab CE/EE affecting all versions from 16.1 prior to 16.1.6, 16.2 prior to 16.2.9, 16.3 prior to 16.3.7, 16.4 prior to 16.4.5, 16.5 prior to 16.5.…
CVE-2021-32648US	critical9.1OT critical	90.4% (100th)	KEV	2021-08-26
octobercms in a CMS platform based on the Laravel PHP Framework. In affected versions of the october/system package an attacker can request an account password reset and then gain…
CVE-2019-18818US	critical9.8	97.6% (100th)	Exploit	2019-11-07
strapi before 3.0.0-beta.17.5 mishandles password resets within packages/strapi-admin/controllers/Auth.js and packages/strapi-plugin-users-permissions/controllers/Auth.js.
CVE-2017-7615US	high8.8	91.2% (100th)	Exploit	2017-04-16
MantisBT through 2.3.0 allows arbitrary password reset and unauthenticated admin access via an empty confirm_hash value to verify.php.
CVE-2019-19844US	critical9.8	53.6% (99th)	Exploit	2019-12-18
Django before 1.11.27, 2.x before 2.2.9, and 3.x before 3.0.1 allows account takeover. A suitably crafted email address (that is equal to an existing user's email address after cas…

+361 more

references (6)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan