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Fencer Intel
high 7.5

CVE-2016-5697 json

Ruby-saml allows attackers to perform XML signature wrapping attacks

published 2017-01-23 9 y ago modified 2026-06-17 4 mo ago also GHSA-36p7-xjw8-h6f2 , EUVD-2018-0357

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known

Summary

Ruby-saml before 1.3.0 allows attackers to perform XML signature wrapping attacks via unspecified vectors.

Patch / fix

  • rubygems ruby-saml 1.3.0
  • ruby-saml Debian 12 1.3.0-1

debian advisories DEBIAN-CVE-2016-5697

  • ruby-saml Ubuntu Pro 16.04 LTS 1.1.2-1ubuntu1+esm1

ubuntu advisories UBUNTU-CVE-2016-5697

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Exploit prediction

1.21% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N
GitHub 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
rubygems ruby-saml
<1.3.0
1.3.0

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.