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CVE Record

CVE-2015-7968: nwbc_ext2int in SAP NetWeaver Application Server before Security Note 2183189 allows XXE attacks for local...

nwbc_ext2int in SAP NetWeaver Application Server before Security Note 2183189 allows XXE attacks for local file inclusion via the sap/bc/ui2/nwbc/nwbc_ext2int/ URI.

MediumCVSS 6.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2015-7968 is an XML external entity issue in SAP NetWeaver Application Server’s nwbc_ext2int component. A low-privileged network user could use the affected NWBC URI to read local files. The public record rates it medium severity and ties remediation to SAP Security Note 2183189.

Executive priority

Treat as a moderate SAP hardening and patch validation item. It is not documented here as actively exploited, but local file exposure on SAP systems can support deeper compromise if sensitive files are reachable.

Technical view

The vulnerable nwbc_ext2int handler under /sap/bc/ui2/nwbc/nwbc_ext2int/ allows XXE-based local file inclusion before SAP Security Note 2183189. CVSS v3.0 is 6.4 with network attack vector, low complexity, low privileges required, no user interaction, low confidentiality and availability impact, and no integrity impact.

Likely exposure

Exposure is most likely in organizations running SAP NetWeaver Application Server versions predating SAP Security Note 2183189 where the NWBC endpoint is network-reachable to authenticated users. The source bundle does not provide exact affected version ranges or CPEs.

Exploitation context

The bundle does not indicate known active exploitation, and the CVE is not listed as KEV. The issue requires network access and low privileges, so compromised accounts, broad internal access, or exposed SAP services would increase operational risk.

Researcher notes

Evidence is limited: the CVE record names the vulnerable component and SAP note, but the affected product metadata is marked n/a. Avoid assuming exact versions beyond “before Security Note 2183189” unless SAP advisory data confirms them.

Mitigation direction

  • Review and apply SAP Security Note 2183189 where applicable.
  • Check current SAP vendor guidance for supported corrections and dependencies.
  • Restrict NWBC endpoint access to required trusted users and networks.
  • Prioritize SAP systems containing sensitive local configuration or credentials.

Validation and detection

  • Inventory SAP NetWeaver Application Server instances and NWBC usage.
  • Confirm whether SAP Security Note 2183189 is implemented.
  • Verify the affected URI is not broadly reachable.
  • Review SAP logs for suspicious requests to the NWBC ext2int path.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

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CVE-2015-7968 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.4 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AC:L/AV:N/A:L/C:L/I:N/PR:L/S:C/UI:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
6.4CVSS 3.0MediumCVSS:3.0/AC:L/AV:N/A:L/C:L/I:N/PR:L/S:C/UI:N3.12.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

6.4Medium
CVSS 3.0 vector shape for CVE-2015-7968Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AC:L/AV:N/A:L/C:L/I:N/PR:L/S:C/UI:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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