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Medium

SimpleSAMLphp Invalid token creation and validation

  • Disclosed: 13.05.2022
  • Updated: 11.10.2026 10:22

The SimpleSAML_Auth_TimeLimitedToken class in SimpleSAMLphp 1.14.14 and earlier allows attackers with access to a secret token to extend its validity period by manipulating the prepended time offset.

Affected software

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PlatformPackageVulnerable versionsFixed in
Composer package simplesamlphp/simplesamlphp >= 1.14.0, < 1.14.15 1.14.15

References

CVSS score 5.9/10
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness (CWE)
CWE-613
Platform
Composer
Package
simplesamlphp/simplesamlphp
Disclosed
13.05.2022
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-597c-mh7m-48v7 - CC BY 4.0

Vulnerability history: simplesamlphp/simplesamlphp

All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (23) in the archive
Total entries
23
First → latest
01.2020 07.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 3
  • High 4
  • Medium 12
  • Low 4

Disclosures per year

Severity:
  1. SimpleSAMLphp SP accepts a response from an unexpected IdP when unsigned `Response/InResponseTo` is combined with a signed assertion lacking `SubjectConfirmationData/InResponseTo`
    High · 7.1 CVE-2026-49284 >= 2.5.0, < 2.5.2, < 2.4.7 2.5.2, 2.4.7
  2. SimpleSAMLphp Session fixation issue and authentication bypass in the authcrypt module
    Critical · 9.8 CVE-2017-12868 >= 1.14.12, < 1.14.14 1.14.14
  3. SimpleSAMLphp Authentication context bypass in the multiauth module
    High · 7.5 CVE-2017-12869 < 1.14.14 1.14.14
  4. SimpleSAMLphp Signature validation bypass
    High · 8.1 CVE-2017-18122 < 1.14.17 1.14.17
  5. SimpleSAMLphp Use of insecure connection charset (sqlauth module)
    Critical · 9.8 CVE-2018-6521 < 1.15.2 1.15.2
  6. SimpleSAMLphp Invalid token creation and validation this entry
    Medium · 5.9 CVE-2017-12867 >= 1.14.0, < 1.14.15 1.14.15
  7. simpleSAMLphp incorrectly handles XML encryption
    High · 7.5 CVE-2011-4625 < 1.8.1 1.8.1
  8. Incorrect persistent NameID generation in SimpleSAMLphp
    Critical · 9.8 CVE-2017-12873 >= 1.7.0, < 1.14.11 1.14.11

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