What is the CVSS score of CVE-2016-3974?

CVE-2016-3974 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H. EPSS exploitation probability: 13.9%.

Is there a public PoC exploit available for CVE-2016-3974?

Yes, a public proof-of-concept exploit is available for CVE-2016-3974. Prioritise patching immediately. EPSS: 13.9%.

Java CVE-2016-3974

CRITICAL

Improper Restriction of XML External Entity Reference (CWE-611)

2016-04-07 cve@mitre.org

Denial Of Service XXE SAP Java Netweaver Application Server Java

9.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Apr 07, 2016 - 19:59 cve.org

CRITICAL 9.1

DescriptionCVE.org

XML external entity (XXE) vulnerability in the Configuration Wizard in SAP NetWeaver Java AS 7.1 through 7.5 allows remote attackers to cause a denial of service, conduct SMB Relay attacks, or access arbitrary files via a crafted XML request to _tc~monitoring~webservice~web/ServerNodesWSService, aka SAP Security Note 2235994.

AnalysisAI

XML external entity (XXE) vulnerability in the Configuration Wizard in SAP NetWeaver Java AS 7.1 through 7.5 allows remote attackers to cause a denial of service, conduct SMB Relay attacks, or access. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 13.9%.

Technical ContextAI

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. XML external entity (XXE) vulnerability in the Configuration Wizard in SAP NetWeaver Java AS 7.1 through 7.5 allows remote attackers to cause a denial of service, conduct SMB Relay attacks, or access arbitrary files via a crafted XML request to _tc~monitoring~webservice~web/ServerNodesWSService, aka SAP Security Note 2235994. Affected products include: Sap Netweaver Application Server Java. Version information: through 7.5.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Disable external entity processing in XML parsers, use JSON instead of XML where possible.