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Fencer Vulns
high 7.5

CVE-2017-12874 json

SimpleSAMLphp InfoCard module Incorrect signature verification

published 2017-09-01 9 y ago modified 2026-06-17 4 mo ago also GHSA-fj28-869x-vv5g , EUVD-2022-3789

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits
0
none known

Summary

The InfoCard module 1.0 for SimpleSAMLphp allows attackers to spoof XML messages by leveraging an incorrect check of return values in signature validation utilities.

Patch / fix

  • packagist simplesamlphp/simplesamlphp-module-infocard 1.0.1
  • simplesamlphp Debian 14, Debian 12 1.14.11-1

debian advisories DEBIAN-CVE-2017-12874

Exploit prediction

1.27% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).

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
packagist simplesamlphp/simplesamlphp-module-infocard
<1.0.1
1.0.1

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns 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.