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CVE-2017-12637: SAP NetWeaver Directory Traversal Vulnerability

criticalknown exploitedpublic exploitCVE-2017-12637
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
SAP NetWeaver Application Server (AS) Java contains a directory traversal vulnerability in scheduler/ui/js/ffffffffbca41eb4/UIUtilJavaScriptJS that allows a remote attacker to read arbitrary files via a .. (dot dot) in the query string.

CSIRTS triage

vendor: SAPproduct: NetWeaver Application Server (AS) JavaPath traversal
What
A directory traversal vulnerability allows remote attackers to read arbitrary files.
Who is affected
Deployments of SAP NetWeaver Application Server (AS) Java are affected.
Urgency
Immediate action is required due to active exploitation and critical severity.
Action
Apply the latest security updates from SAP to mitigate this vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2025-03-19
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2017-12637

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2017-12637coverage & exploitation statusNVD · CVE.org

Recent advisories for SAP NetWeaver Directory

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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