How severe is CVE-2017-12637?

CVE-2017-12637 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-12637 being actively exploited?

Yes. CVE-2017-12637 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-03-19, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2017-12637?

CVE-2017-12637 affects Sap Netweaver Application Server Java. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-12637?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2017-12637 have an EU (EUVD) identifier?

Yes. CVE-2017-12637 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2017-4176. It is also flagged as exploited in the EUVD (since 2025-03-19).

When was CVE-2017-12637 published?

CVE-2017-12637 was published on 2017-08-07 and last updated on 2026-06-17.

CVE-2017-12637

CVE-2017-12637 is a high-severity vulnerability in Sap Netweaver Application Server Java with a CVSS 3.x base score of 7.5. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2025-03-19). The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 95% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2025-03-19)
EU (EUVD) id: EUVD-2017-4176
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2025-03-19)
Weakness: CWE-22
Affected product: Sap Netweaver Application Server Java
Published: 2017-08-07
Last modified: 2026-06-17

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.

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 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-12637 being actively exploited?: Yes. CVE-2017-12637 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-03-19, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2017-12637?: CVE-2017-12637 affects Sap Netweaver Application Server Java. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-12637?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2017-12637 have an EU (EUVD) identifier?: Yes. CVE-2017-12637 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2017-4176. It is also flagged as exploited in the EUVD (since 2025-03-19).
When was CVE-2017-12637 published?: CVE-2017-12637 was published on 2017-08-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sap:netweaver_application_server_java:7.50:*:*:*:*:*:*:*

More vulnerabilities in Sap Netweaver Application Server Java

CVE-2020-26829 — Critical (CVSS 10.0): SAP NetWeaver AS JAVA (P2P Cluster Communication), versions - 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, allows arbitrary…
CVE-2020-6287 — Critical (CVSS 10.0): SAP NetWeaver AS JAVA (LM Configuration Wizard), versions - 7.30, 7.31, 7.40, 7.50, does not perform an authentication…
CVE-2010-5326 — Critical (CVSS 10.0): The Invoker Servlet on SAP NetWeaver Application Server Java platforms, possibly before 7.3, does not require…
CVE-2023-40309 — Critical (CVSS 9.8): SAP CommonCryptoLib does not perform necessary authentication checks, which may result in missing or wrong…
CVE-2022-22532 — Critical (CVSS 9.8): In SAP NetWeaver Application Server Java - versions KRNL64NUC 7.22, 7.22EXT, 7.49, KRNL64UC, 7.22, 7.22EXT, 7.49, 7.53,…
CVE-2021-37535 — Critical (CVSS 9.8): SAP NetWeaver Application Server Java (JMS Connector Service) - versions 7.11, 7.20, 7.30, 7.31, 7.40, 7.50, does not…

All CVEs affecting Sap Netweaver Application Server Java →

Other CWE-22 (Path Traversal) vulnerabilities

CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…

Browse all CWE-22 (Path Traversal) vulnerabilities →