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CVE-2019-10157

MEDIUM
4.7
CVSS Score
Published: June 12, 2019 at 01:48 PM UTC
Updated: June 17, 2026 at 02:10 AM UTC
2 products affected across 2 vendorsSingle Sign onKeycloak

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Severity
MEDIUM4.7
Exploit prediction
EPSS 0.2%

Description

It was found that Keycloak's Node.js adapter before version 4.8.3 did not properly verify the web token received from the server in its backchannel logout . An attacker with local access could use this to construct a malicious web token setting an NBF parameter that could prevent user access indefinitely.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Keycloak· Keycloak
95%
v < 4.8.34.8.3
Affected range stops below 4.8.3, so it looks safe — our inference, not a vendor statement
Single Sign on· Red Hatrpm
95%
v < 7.3.2
Affected range stops below 7.3.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/108734
x_refsource_CONFIRMIssue TrackingVendor Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10157

CVSS

4.7MEDIUMredhat
Attack Vector
LOCAL
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-345CWE-287

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