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CVE-2017-11429

30
FAUCET Score

CVE-2017-11429 is a critical vulnerability affecting clever saml2-js versions 2.0 and earlier, allowing attackers to manipulate SAML data and bypass authentication to service providers without invalidating cryptographic signatures. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with no user interaction, leading to high impacts on confidentiality, integrity, and availability. While there is no known exploit code in Metasploit or ExploitDB, the vulnerability has garnered significant community discussion and media coverage, indicating awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.0CPE matchmatch criteria
cpe:2.3:a:clever:saml2-js:*:*:*:*:*:*:*:*
< 1.0CPE match
cpe:2.3:a:clever:saml2-js:*:*:*:*:*:*:*:*
< 2.0CPE match
cpe:2.3:a:clever:saml2-js:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.7HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.1
Impact Score
4.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.38%
Probability of exploitation in next 30 days
EPSS Percentile
82.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0238 is in the 72nd percentile among its peer group of 36,897 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

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 (2)

npmpatch availablevia ghsa
Product: saml2-jsFixed in: 1.12.4
npmpatch availablevia ghsa
Product: saml2-jsFixed in: 2.0.2

Vendor Advisories (1)

npmGHSA-5p5w-j3g7-w4wvmedium

Authentication bypass via incorrect XML canonicalization and DOM traversal in saml2-js

Jul 5, 2019

References

duo.com / blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations
ExploitTechnical DescriptionThird Party Advisory
kb.cert.org / vuls/id/475445
Third Party AdvisoryUS Government Resource