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CVE-2016-5697

19
FAUCET Score

CVE-2016-5697 describes a high-severity XML signature wrapping vulnerability affecting Ruby-saml versions prior to 1.3.0, allowing attackers to bypass authentication or integrity checks. This vulnerability has a CVSS score of 7.5, indicating a network-based attack with low complexity that can lead to high impact on integrity. 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
<= 1.2.0CPE matchmatch criteria
cpe:2.3:a:onelogin:ruby-saml:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.21%
Probability of exploitation in next 30 days
EPSS Percentile
65.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0121 is in the 44th percentile among its peer group of 51,466 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

rubygemspatch availablevia ghsa
Product: ruby-samlFixed in: 1.3.0

Vendor Advisories (1)

rubygemsGHSA-36p7-xjw8-h6f2high

Ruby-saml allows attackers to perform XML signature wrapping attacks

Aug 21, 2018

References

openwall.com / lists/oss-security/2016/06/24/3
Mailing ListPatchThird Party Advisory