What is CVE-2017-12637?

CVE-2017-12637 is a high-severity vulnerability in SAP Netweaver Application Server Java, classified under Path Traversal. CVSS score: 7.5/10. Published 2017-08-07.

How severe is CVE-2017-12637?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2017-12637 known to be exploited?

Yes. CVE-2017-12637 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-03-19), indicating it is being actively exploited. 15 public proof-of-concept repositories are indexed.

Path Traversal in SAP Netweaver Application Server Java

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.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2017-08-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.951 (99.9th percentile), scored 2026-10-15.

Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 99.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.951 · newest: 0.951 · change: 0.000

Affected products

SAP Netweaver Application Server Java — versions 7.50

Weakness classification (CWE)

CWE-22 — Path Traversal

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2025-03-19. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2025-04-09.

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.

Public proof-of-concept exploits

References

web.archive.org/web/20170807202056/http://www.sh0w.top/index.php/archives/7/ (Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2017-12637?: CVE-2017-12637 is a high-severity vulnerability in SAP Netweaver Application Server Java, classified under Path Traversal. CVSS score: 7.5/10. Published 2017-08-07.
How severe is CVE-2017-12637?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2017-12637 known to be exploited?: Yes. CVE-2017-12637 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-03-19), indicating it is being actively exploited. 15 public proof-of-concept repositories are indexed.