CVE-2017-12637
Actively exploited. CVE-2017-12637 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-03-19) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2017-12637 is indexed in GitHub PoC and Nuclei. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
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
- 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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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2017-12637 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- GitHub PoCPublic proof-of-concept repositories on GitHub reference this CVE.look it up ↗
- NucleiA nuclei-templates detection/PoC template exists for this CVE.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2017-12637: SAP NetWeaver Directory Traversal Vulnerabilitycisa-kev · 2025-03-19
External references
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[](https://www.csirts.com/cve/CVE-2017-12637)