9.8

CVE-2017-11428: onelogin ruby-saml Improper Authentication

CVSS: 9.8v3.0CriticalModified
AliasesUBUNTU-CVE-2017-11428DEBIAN-CVE-2017-11428GHSA-x2fr-v8wf-8wwv
Published 17-04-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2017-11428 is a critical (CVSS 9.8) Improper Authentication vulnerability in onelogin ruby-saml. EPSS estimates a 2.46% chance of exploitation in the next 30 days, higher than 84.2% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
2.46%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
USN-7309-1

Timeline

  1. 17-04-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

OneLogin Ruby-SAML 1.6.0 and earlier may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that an attacker may be able to manipulate the SAML data without invalidating the cryptographic signature, allowing the attack to potentially bypass authentication to SAML service providers.

CVSS metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

2.46%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

+0.02 pp

From 2.44% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.46%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (duo.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • ruby-saml< 1.7.2-1
Onelogin1 product
  • ruby-saml≥ unspecified, < 1.6.0 | ≤ 1.6.0
RubyGems1 product
  • ruby-saml< 1.7.0
Ubuntu1 product
  • ruby-saml< 1.1.2-1ubuntu1+esm1

4 vendors · 4 products

References

7 links