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.

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

EPSS: 0.055 (92.0th percentile) — read the EPSS interpretation.

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.

Affected products

Sap Netweaver — versions 7400.12.21.30308
N/a — versions n/a

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

References

cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry)
cve@mitre.org (Broken Link)
cve@mitre.org (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.