SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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…

HIGH 8.8EPSS 3.02%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.02%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
3.02% probability · 87th percentile
CISA KEV
Not listed
Weakness
CWE-347
Affected
xmlseclibs project/xmlseclibs · debian/debian linux · simplesamlphp/simplesamlphp
Source
security@debian.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.