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CVE-2016-3976 SAP CVE debrief

CVE-2016-3976 is a SAP NetWeaver directory traversal vulnerability that CISA included in its Known Exploited Vulnerabilities catalog. The available record does not provide a CVSS score, so defenders should treat it as a prioritized remediation item based on known exploitation status rather than severity scoring alone. CISA’s guidance is to apply updates per vendor instructions.

Vendor
SAP
Product
NetWeaver
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2021-11-03
Original CVE updated
2021-11-03
Advisory published
2021-11-03
Advisory updated
2021-11-03

Who should care

SAP NetWeaver administrators, application owners, and security teams responsible for patching internet-facing or business-critical SAP environments should prioritize this CVE, especially because it appears in CISA’s Known Exploited Vulnerabilities catalog.

Technical summary

The record identifies the issue as a directory traversal vulnerability in SAP NetWeaver. Beyond that classification, the supplied corpus does not include affected versions, attack prerequisites, impact specifics, or exploit details. The strongest reliable signal in the source set is CISA KEV inclusion, which indicates the vulnerability is known to be exploited in the wild.

Defensive priority

High. CISA lists this CVE in KEV and assigns a remediation due date of 2022-05-03, so it should be treated as an urgent patch-management item for any exposed or in-scope SAP NetWeaver systems.

Recommended defensive actions

  • Apply SAP vendor updates and follow SAP remediation guidance for NetWeaver.
  • Inventory SAP NetWeaver instances to identify all exposed and internally reachable deployments.
  • Verify patch status and remediation completion across production, test, and disaster recovery environments.
  • Prioritize systems that are internet-facing or process sensitive business data.
  • Monitor CISA KEV and SAP advisories for any updated remediation guidance or additional mitigation steps.

Evidence notes

The debrief is based only on the supplied CVE record and official links. CISA’s KEV metadata names the vulnerability as ‘SAP NetWeaver Directory Traversal Vulnerability,’ lists vendor/project as SAP NetWeaver, and states ‘Apply updates per vendor instructions.’ The supplied record also includes the NVD reference URL, but no CVSS score or deeper technical detail was provided in the corpus.

Official resources

CISA added this CVE to the Known Exploited Vulnerabilities catalog on 2021-11-03, with a remediation due date of 2022-05-03. The supplied corpus does not establish the original vulnerability creation date, so this debrief treats 2021-11-03/