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.
Published 2016-04-07 23:59:11
Updated 2022-04-29 15:36:04
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Directory traversal

Products affected by CVE-2016-3976

CVE-2016-3976 is in the CISA Known Exploited Vulnerabilities Catalog

CISA vulnerability name:
SAP NetWeaver Directory Traversal Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
SAP NetWeaver Application Server Java Platforms contains a directory traversal vulnerability via a ..\ (dot dot backslash) in the fileName parameter to CrashFileDownloadServlet. This allows remote attackers to read files.
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2016-3976
Added on 2021-11-03 Action due date 2022-05-03

Exploit prediction scoring system (EPSS) score for CVE-2016-3976

97.41%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 100 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-3976

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:N
10.0
2.9
NIST
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.9
3.6
NIST

CWE ids for CVE-2016-3976

  • The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-3976

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