What is CVE-2016-9563?

CVE-2016-9563 is a medium-severity vulnerability in Sap Netweaver_application_server_java, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 6.5/10. Published 2016-11-23.

How severe is CVE-2016-9563?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2016-9563 known to be exploited?

Yes. CVE-2016-9563 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.

XXE in Sap Netweaver_application_server_java

CVE-2016-9563

BC-BMT-BPM-DSK in SAP NetWeaver AS JAVA 7.5 allows remote authenticated users to conduct XML External Entity (XXE) attacks via the sap.com~tc~bpem~him~uwlconn~provider~web/bpemuwlconn URI, aka SAP Security Note 2296909.

Vulnerability class: XXE (XML External Entity)

EPSS: 0.238 (97.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Sap Netweaver_application_server_java — versions 7.50
N/a — versions n/a

Weakness classification (CWE)

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

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2021-11-03. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-05-03.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
cve@mitre.org (Third Party Advisory, x_refsource_MISC, Broken Link)
cve@mitre.org (Permissions Required, x_refsource_MISC)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2016-9563?: CVE-2016-9563 is a medium-severity vulnerability in Sap Netweaver_application_server_java, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 6.5/10. Published 2016-11-23.
How severe is CVE-2016-9563?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2016-9563 known to be exploited?: Yes. CVE-2016-9563 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.