CVE-2019-3465

mediumpriority · track · 36EPSS 0.030 · 87 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.99% (87th) EPSS

CVSS 6.5 · medium

Is it mine?

20 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

Rob Richards XmlSecLibs, all versions prior to v3.0.3, as used for example by SimpleSAMLphp, performed incorrect validation of cryptographic signatures in XML messages, allowing an authenticated attacker to impersonate others or elevate privileges by creating a crafted XML message.

cvss

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

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–8.8

v2.06.5mediumAV:N/AC:L/Au:S/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8 · impact 6.4

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.18.8highAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-347USprimaryCWE-20USCWE-347US

affected products (20)

Products and version ranges known to be affected.

n/a Rob Richards XmlSecLibs≤ All versions prior to version 3.0.3enisa_euvdEU
Fedora Project Fedora≤ 29fstec_bduRU
Fedora Project Fedora≤ 31fstec_bduRU
Fedora Project Fedora≤ 30fstec_bduRU
Rob Richards SimpleSAMLphp≤ 3.0.3fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 9fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 10fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 8fstec_bduRU
Сообщество свободного программного обеспечения XmlSecLibs1.0.0 → 1.4.2fstec_bduRU
Сообщество свободного программного обеспечения XmlSecLibs2.0.0 → 2.1.0fstec_bduRU
Сообщество свободного программного обеспечения XmlSecLibs3.0.0 → 3.0.3fstec_bduRU
debian debian linux= 10.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
debian debian linux= 8.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
debian debian linux= 9.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
simplesamlphp simplesamlphp≤ 1.17.6nvdUScpe:2.3:a:simplesamlphp:simplesamlphp:*:*:*:*:*:*:*:*
xmlseclibs project xmlseclibs1.0.0 → 1.4.2nvdUScpe:2.3:a:xmlseclibs_project:xmlseclibs:*:*:*:*:*:*:*:*
xmlseclibs project xmlseclibs2.0.0 → 2.1.0nvdUScpe:2.3:a:xmlseclibs_project:xmlseclibs:*:*:*:*:*:*:*:*
xmlseclibs project xmlseclibs3.0.0 → 3.0.3nvdUScpe:2.3:a:xmlseclibs_project:xmlseclibs:*:*:*:*:*:*:*:*
Packagist robrichards/xmlseclibs1.0.0 → 2.1.1osvUSpkg:composer/robrichards/xmlseclibs
Packagist robrichards/xmlseclibs3.0.0 → 3.0.4osvUSpkg:composer/robrichards/xmlseclibs

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-pqm6-cgwr-x6pfSignature validation bypass in XmlSecLibs2019-11-08ghsa · osvUS
Rob Richards XmlSecLibs, all versions prior to v3.0.3, as used for example by SimpleSAMLphp, performed incorrect validation of cryptographic signatures in XML messages, allowing an authenticated attacker to impersonate others or elevate privileges by creating a crafted XML message.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd osv NVD CVE.org MITRE

published 2019-11-07modified 2026-06-17

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references (51)

External citations — patches, advisories, analysis.

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