SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2016-3976

SAP NetWeaver Directory Traversal Vulnerability

KEVHIGH 7.5EPSS 46.6%

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

Directory traversal vulnerability in SAP NetWeaver AS Java 7.1 through 7.5 allows remote attackers to read arbitrary files via a ..\ (dot dot backslash) in the fileName parameter to CrashFileDownloadServlet, aka SAP Security Note 2234971.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
46.61% probability · 99th percentile
CISA KEV
Listed 3 November 2021 · due 3 May 2022
Weakness
CWE-22
Affected
sap/netweaver application server java
Source
cve@mitre.org

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2016-3976

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