CVE-2020-1744

mediumpriority · track · 22EPSS 0.011 · 66 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.13% (66th) EPSS

CVSS 6.8 · medium

Is it mine?

10 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

A flaw was found in keycloak before version 9.0.1. When configuring an Conditional OTP Authentication Flow as a post login flow of an IDP, the failure login events for OTP are not being sent to the brute force protection event queue. So BruteForceProtector does not handle this events.

cvss

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

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 5.1–9.8

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v3.15.6mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:Lprimary · NVD / NIST USexploitability 2.2 · impact 3.4

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.15.6mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:Lsecondary · ENISA EU

v3.15.6mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:Lsecondary · secalert@redhat.com USexploitability 2.2 · impact 3.4

v3.15.6mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:Lsecondary · OSV

v3.15.1mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-755USprimaryCWE-200USCWE-200USCWE-755US

affected products (10)

Products and version ranges known to be affected.

Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Red Hat Single Sign On <7.3.7all versionscert_bundDE
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Red Hat Single Sign On< 7.3.7cert_bundDE
Red Hat KeyCloak≤ all keycloak versions prior to 9.0.1enisa_euvdEU
Red Hat Inc. Keycloak≤ 9.0.1fstec_bduRU
Red Hat Inc. OpenShift Application Runtimes≤ 1.0fstec_bduRU
Red Hat Inc. Red Hat Single Sign-On≤ 7.3fstec_bduRU
redhat keycloak< 9.0.1nvdUScpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
Maven org.keycloak:keycloak-core< 9.0.1osvUSpkg:maven/org.keycloak/keycloak-core

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-3589Red Hat Single Sign On: Schwachstelle ermöglicht Umgehen von SicherheitsvorkehrungenDeutsch2020-03-23csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Red Hat Single Sign On ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
GHSA-4gf2-xv97-63m2Exposure of Sensitive Information in keycloak2021-09-20ghsa · osvUS
A flaw was found in keycloak before version 9.0.1. When configuring an Conditional OTP Authentication Flow as a post login flow of an IDP, the failure login events for OTP are not being sent to the brute force protection event queue. So BruteForceProtector does not handle this events.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd osv NVD CVE.org MITRE

published 2020-03-24modified 2026-06-17

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+700 more

references (16)

External citations — patches, advisories, analysis.

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