CVE-2017-9844: sap netweaver Deserialization of Untrusted Data
Vulnerability summary
CVE-2017-9844 is a high (CVSS 7.5) Deserialization of Untrusted Data vulnerability in sap netweaver. EPSS estimates a 5.37% chance of exploitation in the next 30 days, higher than 92.6% of scored vulnerabilities.
Timeline
- 12-07-2017PublishedVulnerability first disclosed.
- 01-05-2025Last modifiedVulnerability information updated.
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 metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
5.37%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
Decrease -0.15 pp
From 5.51% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Sap1 product
- netweaver7400.12.21.30308
1 vendor · 1 product
References
3 links- erpscan.io/advisories/…Broken Link
- me.sap.com/notes/2399804Permissions Required