Deserialization in SAP Netweaver
CVE-2017-9844
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.
Vulnerability class: Insecure Deserialization
Published · last modified .
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:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.054 (92.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.055 · newest: 0.054 · change: -0.001
Affected products
- SAP Netweaver — versions 7400.12.21.30308
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/96865 (VDB Entry, Third Party Advisory, vdb-entry)
- erpscan.io/advisories/erpscan-17-014-sap-netweaver-java-deserialization-untrust… (Broken Link)
- me.sap.com/notes/2399804 (Permissions Required)
Frequently asked questions
- What is CVE-2017-9844?
- CVE-2017-9844 is a high-severity vulnerability in SAP Netweaver, classified under Deserialization of Untrusted Data. CVSS score: 7.5/10. Published 2017-07-12.
- How severe is CVE-2017-9844?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-9844 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.