CVE-2017-12637
HIGHCVE-2017-12637 is a high-severity (CVSS 7.5) Path Traversal vulnerability. It is in CISA's Known Exploited Vulnerabilities catalog (added 2025-03-19) — treat it as actively exploited and patch now. No vendor fix is recorded yet; mitigation options are listed below.
Directory traversal vulnerability in scheduler/ui/js/ffffffffbca41eb4/UIUtilJavaScriptJS in SAP NetWeaver Application Server Java 7.5 allows remote attackers to read arbitrary files…
Exploitation Status
Actively exploited in the wild
- Confirmed by CISA's Known Exploited Vulnerabilities catalog on 2025-03-19. Federal agencies were required to remediate by 2025-04-09.
- CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.
Exploitation and automatability from CISA (KEV catalog and SSVC triage) for CVE-2017-12637.
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
How urgent is this, really
CVE-2017-12637 by exploitation likelihood (EPSS) against impact (CVSS). In the shaded patch-first corner (EPSS 50%+, CVSS 7.0+).
Where this sits among everything scored
Of 394,803 CVEs with a current EPSS score, this one falls in the ≥ 90% band (highlighted). Counts from FIRST.org, log-scaled.
Description
Directory traversal vulnerability in scheduler/ui/js/ffffffffbca41eb4/UIUtilJavaScriptJS in SAP NetWeaver Application Server Java 7.5 allows remote attackers to read arbitrary files via a .. (dot dot) in the query string, as exploited in the wild in August 2017, aka SAP Security Note 2486657.
Affected Products
netweaver application server javasapResearch use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.
Detection & mitigation playbook
VulnerabilityDetect
Identify every host running the affected component and compare the installed build against the fixed version below — for source-built or distro-packaged software the version string, not a lockfile, is the source of truth (`dpkg -l`, `rpm -q`, or the binary's own `--version`).
Remediation status
No fixed release is recorded for CVE-2017-12637 yet. Track the upstream advisory, and apply the exposure-reduction steps below in the meantime.
Mitigate without a patch
Resolve every user-supplied path to its canonical form and reject anything that escapes the intended directory, and run the component under an account that has no read or write access outside the directory it legitimately serves.
How to detect CVE-2017-12637
A community-maintained Nuclei template exists for this CVE. You can scan for it directly:
nuclei -id cve-2017-12637 -u https://target- Template
- SAP NetWeaver Application Server Java 7.5 - Local File Inclusion
- Severity
- high
- Impact
- Successful exploitation of this vulnerability could allow an attacker to read sensitive files on the server, leading to unauthorized access, data leakage, and potential system compromise.
- Remediation
- Apply the latest security patches and updates provided by SAP to fix the LFI vulnerability in SAP NetWeaver Application Server Java 7.5.
Template by ProjectDiscovery nuclei-templates (apt-mirror), MIT licensed. View the full template. Scan only systems you are authorised to test.
Frequently Asked Questions
Is CVE-2017-12637 in your dependencies?
Find it across , including transitive dependencies.