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CVE-2017-12637 CISA KEV — actively exploited

SAP NetWeaver Directory Traversal Vulnerability

n/a — n/a

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.

CVSS scoreHigh

7.5

EPSS — exploitation probabilityCritical

95.1%

Vector breakdown

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Published
Aug 7, 2017
Modified
Oct 21, 2025
Added to KEV
Mar 19, 2025
Federal patch due
Apr 9, 2025

CISA 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.

Weakness classification

Proof-of-concept & exploitation references

Public repositories whose name or description references CVE-2017-12637, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit — cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.

No public GitHub repositories referencing CVE-2017-12637 were found at last check. Absence here is not proof no exploit exists — see the references below for vendor advisories and write-ups.

References

How this class of flaw gets exploited

Frequently asked questions

What is CVE-2017-12637?

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.

How severe is CVE-2017-12637?

CVE-2017-12637 has a CVSS base score of 7.5 out of 10 (CVSS 3.1).

Is CVE-2017-12637 actively exploited in the wild?

Yes. CVE-2017-12637 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Mar 19, 2025, meaning CISA has confirmed evidence of active exploitation.

What is the EPSS score for CVE-2017-12637?

95.1% - meaning FIRST.org's EPSS model estimates a 95.1% probability this vulnerability will be exploited in the wild within 30 days (100% percentile among all scored CVEs).

Is there exploit tooling available for CVE-2017-12637?

Yes - a public Nuclei template referencing CVE-2017-12637 exist in public repositories we checked.

What type of vulnerability is CVE-2017-12637?

CVE-2017-12637 is classified under CWE-22 (CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')).

Cross-checked against

Impactr finds and proves whether CVE-2017-12637 — or flaws like it — are actually reachable in your own web apps and APIs, with a reproducible exploit as evidence.