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CVE-2020-1698

16
FAUCET Score

CVE-2020-1698 is a medium-severity vulnerability affecting Red Hat Keycloak versions prior to 9.0.0. It involves a flaw in the HttpMethod class where a logged exception can inadvertently expose a password passed as a parameter, leading to a compromise of data confidentiality. The vulnerability has a CVSS score of 5.5, indicating a low attack complexity and requiring local access, with the primary impact being high confidentiality loss. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 9.0.0CPE matchmatch criteria
cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.0MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.3
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.37%
Probability of exploitation in next 30 days
EPSS Percentile
29.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0037 is in the 86th percentile among its peer group of 15,940 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (9)

mavenpatch availablevia ghsa
Product: org.keycloak:keycloak-coreFixed in: 9.0.0
redhatpatch availablevia redhat_api
Product: Text-Only RHOAR
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Runtimes Spring Boot 2.2.6Fixed in: keycloak-core
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7.4.0
View patch
redhatvendor investigatingvia nvd_reference
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Fuse 7Fixed in: keycloak-core
redhatno patchvia redhat_api
Product: Red Hat OpenShift Application RuntimesFixed in: keycloak-core
redhatno patchvia redhat_api
Product: Red Hat Single Sign-On 7Fixed in: rh-sso7-keycloak
redhatno patchvia redhat_api
Product: Red Hat support for Spring BootFixed in: keycloak-core

Vendor Advisories (2)

mavenGHSA-qgmm-f2qw-r95fmedium

Keycloak leaks sensitive information in logged exceptions

May 24, 2022
redhatCVE-2020-1698Low

keycloak: Password leak by logged exception in HttpMethod class

May 6, 2020

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingVendor Advisory