SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2016-9563

SAP NetWeaver XML External Entity (XXE) Vulnerability

KEVMEDIUM 6.5EPSS 23.8%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

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.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
23.80% probability · 98th percentile
CISA KEV
Listed 3 November 2021 · due 3 May 2022
Weakness
CWE-611
Affected
sap/netweaver application server java
Source
cve@mitre.org

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2016-9563

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