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Fencer Intel
medium 5.0

CVE-2020-1698 json

Keycloak leaks sensitive information in logged exceptions

published 6y ago modified 4mo ago also GHSA-qgmm-f2qw-r95f , EUVD-2022-4970

cvss
5.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits
0
none known

Summary

A flaw was found in keycloak in versions before 9.0.0. A logged exception in the HttpMethod class may leak the password given as parameter. The highest threat from this vulnerability is to data confidentiality.

Patch / fix

  • maven org.keycloak:keycloak-core 9.0.0
  • redhat keycloak 9.0.0

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-1698 updated cvss 5.0

keycloak: Password leak by logged exception in HttpMethod class

  • Red Hat Fuse 7 keycloak-core
    affected: no fix available “Fix deferred”
  • Red Hat Mobile Application Platform 4 keycloak-core
    affected: no fix planned “Out of support scope”
  • Red Hat OpenShift Application Runtimes keycloak-core Red Hat Single Sign-On 7 rh-sso7-keycloak rh-sso7-keycloak Red Hat support for Spring Boot keycloak-core
    affected: no fix available
  • Red Hat Runtimes Spring Boot 2.2.6
    fixed: vendor fix RHSA-2020:2252
  • Red Hat Single Sign-On 7.4.0
    fixed: vendor fix RHSA-2020:5625
  • Red Hat Text-Only RHOAR
    fixed: vendor fix RHSA-2020:2905
  • Red Hat Decision Manager 7 keycloak-core Red Hat Process Automation 7 keycloak-core
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 5.0 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:P/I:N/A:N
GitHub 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
maven org.keycloak:keycloak-core
<9.0.0
9.0.0

Affected products

  • Red Hat keycloak

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-532 Insertion of Sensitive Information into Log File

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.