Information disclosure in Microsoft .Net Framework

CVE-2016-3255

Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4.5.2, 4.6, and 4.6.1 allows remote attackers to read arbitrary files via XML data containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue, aka ".NET Information Disclosure Vulnerability."

Vulnerability class: Information Disclosure

EPSS: 0.247 (97.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-3255?
CVE-2016-3255 is a high-severity vulnerability in Microsoft .Net Framework, classified under Information Disclosure. CVSS score: 7.5/10. Published 2016-07-13.
How severe is CVE-2016-3255?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2016-3255 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.