CVE-2016-9814

highpriority · track · 37EPSS 0.024 · 84 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

2.41% (84th) EPSS

CVSS 8.5 · high

Is it mine?

18 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

The validateSignature method in the SAML2\Utils class in SimpleSAMLphp before 1.14.10 and simplesamlphp/saml2 library before 1.9.1, 1.10.x before 1.10.3, and 2.x before 2.3.3 allows remote attackers to spoof SAML responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.

cvss

Technical severity, 0–10. One row per scoring source.

9.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.3–9.1

v2.08.5highAV:N/AC:L/Au:N/C:N/I:P/A:Cprimary · NVD / NIST USexploitability 10 · impact 7.8

v3.09.1criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.2

v3.09.1criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Hsecondary · OSV

v3.08.3highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-399USprimary

affected products (18)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
simplesamlphp saml2≤ 1.9nvdUScpe:2.3:a:simplesamlphp:saml2:*:*:*:*:*:*:*:*
simplesamlphp saml2= 1.10nvdUScpe:2.3:a:simplesamlphp:saml2:*:*:*:*:*:*:*:*
simplesamlphp saml2= 1.10.1nvdUScpe:2.3:a:simplesamlphp:saml2:*:*:*:*:*:*:*:*
simplesamlphp saml2= 1.10.2nvdUScpe:2.3:a:simplesamlphp:saml2:*:*:*:*:*:*:*:*
simplesamlphp saml2= 2.0.0nvdUScpe:2.3:a:simplesamlphp:saml2:*:*:*:*:*:*:*:*
simplesamlphp saml2= 2.0.1nvdUScpe:2.3:a:simplesamlphp:saml2:*:*:*:*:*:*:*:*
simplesamlphp saml2= 2.1nvdUScpe:2.3:a:simplesamlphp:saml2:*:*:*:*:*:*:*:*
simplesamlphp saml2= 2.2nvdUScpe:2.3:a:simplesamlphp:saml2:*:*:*:*:*:*:*:*
simplesamlphp saml2= 2.3nvdUScpe:2.3:a:simplesamlphp:saml2:*:*:*:*:*:*:*:*
simplesamlphp saml2= 2.3.1nvdUScpe:2.3:a:simplesamlphp:saml2:*:*:*:*:*:*:*:*
simplesamlphp saml2= 2.3.2nvdUScpe:2.3:a:simplesamlphp:saml2:*:*:*:*:*:*:*:*
simplesamlphp simplesamlphp≤ 1.14.9nvdUScpe:2.3:a:simplesamlphp:simplesamlphp:*:*:*:*:*:*:*:*
simplesamlphp simplesamlphp= 1.10nvdUScpe:2.3:a:simplesamlphp:simplesamlphp:*:*:*:*:*:*:*:*
Packagist simplesamlphp/saml2< 1.8.1osvUSpkg:composer/simplesamlphp/saml2
Packagist simplesamlphp/saml21.10 → 1.10.3osvUSpkg:composer/simplesamlphp/saml2
Packagist simplesamlphp/saml21.9.0 → 1.9.1osvUSpkg:composer/simplesamlphp/saml2
Packagist simplesamlphp/saml22.0 → 2.3.3osvUSpkg:composer/simplesamlphp/saml2

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-r8v4-7vwj-983xSimpleSAMLphp SAML2 spoof SAML responses2022-05-14ghsa · osvUS
The validateSignature method in the SAML2\Utils class in SimpleSAMLphp before 1.14.10 and simplesamlphp/saml2 library before 1.9.1, 1.10.x before 1.10.3, and 2.x before 2.3.3 allows remote attackers to spoof SAML responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2017-02-17modified 2026-06-17

related (3,726)

Related entries.

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+3721 more

references (8)

External citations — patches, advisories, analysis.

scry

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