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CVE-2017-7474

30
FAUCET Score

CVE-2017-7474 describes a critical authentication bypass vulnerability in Keycloak Node.js adapter versions 2.5 through 3.0. This flaw allows an unauthenticated attacker to bypass security mechanisms due to improper handling of invalid tokens, potentially gaining full access to restricted information and enabling further attacks. With a CVSS score of 9.8 (Critical), this vulnerability is easily exploitable over the network with low attack complexity, leading to high impacts on confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.5.0CPE matchmatch criteria
cpe:2.3:a:keycloak:keycloak-nodejs-auth-utils:2.5.0:*:*:*:*:*:*:*
2.5.0CPE matchmatch criteria
cpe:2.3:a:keycloak:keycloak-nodejs-auth-utils:2.5.0:cr1:*:*:*:*:*:*
2.5.1CPE matchmatch criteria
cpe:2.3:a:keycloak:keycloak-nodejs-auth-utils:2.5.1:*:*:*:*:*:*:*
2.5.2CPE matchmatch criteria
cpe:2.3:a:keycloak:keycloak-nodejs-auth-utils:2.5.2:*:*:*:*:*:*:*
2.5.3CPE matchmatch criteria
cpe:2.3:a:keycloak:keycloak-nodejs-auth-utils:2.5.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.54%
Probability of exploitation in next 30 days
EPSS Percentile
83.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0254 is in the 74th percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

npmpatch availablevia ghsa
Product: keycloak-connectFixed in: 3.1.0
npmpatch availablevia ghsa
Product: keycloak-jsFixed in: 3.1.0
redhatpatch availablevia redhat_api
Product: Red Hat Single Sign-On 7.1
View patch
redhatno patchvia redhat_api
Product: Red Hat Single Sign-On 7Fixed in: keycloak-connect

Vendor Advisories (2)

npmGHSA-mw35-24gh-f82wcritical

keycloak-connect and keycloak-js improperly handle invalid tokens

Nov 15, 2017
redhatCVE-2017-7474Important

keycloak-connect: auth token validity check ignored

May 8, 2017

References

rhn.redhat.com / errata/RHSA-2017-1203.html
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party AdvisoryVDB Entry