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CVE-2019-3465

HIGHCVSS 8.8/10EPSS 3.02%

Last modified

CVE-2019-3465 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 3.02% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
3.02%

85.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Xmlseclibs ProjectXmlseclibs>= 1.0.0, <= 1.4.2
Xmlseclibs ProjectXmlseclibs>= 2.0.0, <= 2.1.0
Xmlseclibs ProjectXmlseclibs>= 3.0.0, <= 3.0.3
DebianDebian Linux8.0
DebianDebian Linux9.0
DebianDebian Linux10.0
SimplesamlphpSimplesamlphp<= 1.17.6

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-3465?
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.
How severe is CVE-2019-3465?
CVE-2019-3465 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.02% probability of exploitation in the next 30 days.
How do I fix CVE-2019-3465?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST