Is CVE-2019-3465 in the CISA KEV catalog?

No. CVE-2019-3465 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-3465?

CVE-2019-3465 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2019-3465?

CVE-2019-3465 has an EPSS score of 3.02% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-3465?

Upgrade simplesamlphp on debian 11 to 1.17.6-2 or later.

CVE & CISA-KEV Catalog

CVE-2019-3465

HIGHEPSS 86th pctl

8.8

CVSS v3

NVD

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.

CWE-347

How to fix

Remediation Available

simplesamlphpDebian

Fixed in:1.17.6-2CVE-2019-3465

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

3.02%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory4

Other references10

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.