keycloak-connect and keycloak-js improperly handle invalid tokens

Also known as GHSA-mw35-24gh-f82w

Published 9 y ago 2017-05-12 · modified 4 mo ago 2026-06-17 · JSON

CVSS

9.8

v3.0 · NVD

CISA KEV

not known exploited

EPSS

2.5%

percentile 85%

Public exploits

none known

It was found that the Keycloak Node.js adapter 2.5 - 3.0 did not handle invalid tokens correctly. An attacker could use this flaw to bypass authentication and gain access to restricted information, or to possibly conduct further attacks.

Exploit prediction (EPSS)

2.54% probability of exploitation in the next 30 days, higher than 85% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
NVD	3.0	9.8	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`
NVD	2.0	7.5	`AV:N/AC:L/Au:N/C:P/I:P/A:P`
GitHub	3.0	9.8	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`

Affected packages

Ecosystem	Package	Affected	Fixed in
npm	`keycloak-connect`	>=2.5.0, <3.1.0	3.1.0
npm	`keycloak-js`	>=2.5.0, <3.1.0	3.1.0

Affected products

Red Hat, Inc. Keycloak Node.js adapter

Classification

Weakness

CWE-253 Incorrect Check of Function Return Value

References

bugzilla.redhat.com /show_bug.cgi?id=1445271 · x_refsource_CONFIRM, x_transferred
rhn.redhat.com /errata/RHSA-2017-1203.html · vendor-advisory, x_refsource_REDHAT, x_transferred
nvd.nist.gov /vuln/detail/CVE-2017-7474 · advisory

Sources

CVE List: CVE-2017-7474
GitHub Advisory: GHSA-mw35-24gh-f82w
NVD: CVE-2017-7474

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.

Summary