CVE-2017-12637 SAP NetWeaver Directory Traversal

What is CVE-2017-12637?

CVE-2017-12637 is a high-severity path traversal vulnerability in Sap Netweaver Application Server Java, published on 7 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-22

Which versions are affected by CVE-2017-12637?

It affects 1 product.

Products include Sap Netweaver Application Server Java.

How do I fix CVE-2017-12637?

No fix has been published for CVE-2017-12637 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 9 Apr 2025.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2017-12637 being exploited?

Yes. Attackers have exploited CVE-2017-12637 in the wild since at least 19 Mar 2025.

Public exploit code: 1 Nuclei template and 1 proofs of concept on GitHub.

Other vulnerabilities in Sap Netweaver Application Server Java

• CVE-2020-6287 SAP NetWeaver Missing Authentication for Critical Function Exploited Critical 10.0
• CVE-2010-5326 SAP NetWeaver Remote Code Execution Exploited Critical 10.0
• CVE-2016-2386 SAP NetWeaver SQL Injection Exploited Critical 9.8
• CVE-2016-3976 SAP NetWeaver Directory Traversal Exploited High 7.5
• CVE-2016-9563 SAP NetWeaver XML External Entity (XXE) Exploited Medium 6.5

All Sap Netweaver Application Server Java vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-5p56-56jf-wfv2.