CVEs / CVE-2017-12637

CVE-2017-12637: SAP NetWeaver Directory Traversal Vulnerability

Known exploited in the CISA KEV catalog since 19 Mar 2025
high 7.5 CVSS 3.1 (NVD)
EPSS 95.1% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
Last changed at its sources 17 Jun 2026

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Summary

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.
CISA, Known Exploited Vulnerabilities catalog

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.
The CVE record, via NVD · published 7 Aug 2017 · NVD status: Analyzed

Affected and fixed versions

As stated by the CVE record (from the CNA)
Product	Affected	Fixed in
n/a n/a	n/a	—

Exploitation

In CISA KEV since	19 Mar 2025
Due date for US federal agencies	9 Apr 2025
Used in ransomware campaigns	Unknown
Required action	Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Severity

CVSS 3.1	7.5 high `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N` Scored by NVD
Weakness	CWE-22

References

CVE-2017-12637 on NVD
CVE-2017-12637 in the CISA KEV catalog
https://me.sap.com/notes/3476549 (cited by CISA)
https://web.archive.org/web/20170807202056/http://www.sh0w.top/index.php/archives/7/ Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-12637 US Government Resource

Sources

Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.

This product uses data from the NVD API but is not endorsed or certified by the NVD.