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Vulnerability record · CVE-2017-9844 · published 12 July 2017

CVE-2017-9844: Sap netweaver deserialization of untrusted data vulnerability

Sap · Netweaver

SAP NetWeaver 7400.12.21.30308 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted serialized Java object in a request to metadatauploader, aka SAP Security Note 2399804. NOTE: The vendor states that the devserver package of Visual Composer deserializes a malicious object that may cause legitimate users accessing a service, either by crashing or flooding the service.

7.5 CVSS 3.1 High EPSS 5.4% · top 7.6% CWE-502 · Deserialization of untrusted data
7.5CVSS 3.1 base score, v2 7.5
5.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References
17 Jun 2026Last modified by NVD

Description

SAP NetWeaver 7400.12.21.30308 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted serialized Java object in a request to metadatauploader, aka SAP Security Note 2399804. NOTE: The vendor states that the devserver package of Visual Composer deserializes a malicious object that may cause legitimate users accessing a service, either by crashing or flooding the service.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/96865 Third Party AdvisoryVDB Entry
https://erpscan.io/advisories/erpscan-17-014-sap-netweaver-java-deserialization-untrusted-user-value-metadatauploader/ Broken Link
https://me.sap.com/notes/2399804 Permissions Required
http://www.securityfocus.com/bid/96865 Third Party AdvisoryVDB Entry
https://erpscan.io/advisories/erpscan-17-014-sap-netweaver-java-deserialization-untrusted-user-value-metadatauploader/ Broken Link

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-9844), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.