Skip to main content

Integration Bus CVE-2016-9706

CRITICAL
Improper Restriction of XML External Entity Reference (CWE-611)
2017-02-15 psirt@us.ibm.com
9.1
CVSS 3.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A02:2025 - Security Misconfiguration
ASVS 5.0
V13 - Configuration XML external entity prevention
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Collection

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 9.1 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 0.39%.

Exploit ScenarioDerived

A remote attacker could read arbitrary files or perform SSRF through XML processing by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
Patch available 0.4% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

IBM Integration Bus 9.0 and 10.0 and WebSphere Message Broker SOAP FLOWS is vulnerable to a denial of service, caused by an XML External Entity Injection (XXE) error when processing XML data. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This XML External Entity (XXE) vulnerability could allow attackers to read arbitrary files or perform SSRF through XML processing.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Disable external entity processing in XML parsers, use JSON instead of XML where possible.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. IBM Integration Bus 9.0 and 10.0 and WebSphere Message Broker SOAP FLOWS is vulnerable to a denial of service, caused by an XML External Entity Injection (XXE) error when processing XML data. A remote attacker could exploit this vulnerability to expose highly sensitive information or consume all available memory resources. IBM Reference #: 1997918. Affected products include: Ibm Integration Bus, Ibm Websphere Message Broker.

Know when Integration Bus gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 9.1 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High

DescriptionCVE.org

IBM Integration Bus 9.0 and 10.0 and WebSphere Message Broker SOAP FLOWS is vulnerable to a denial of service, caused by an XML External Entity Injection (XXE) error when processing XML data. A remote attacker could exploit this vulnerability to expose highly sensitive information or consume all available memory resources. IBM Reference #: 1997918.

Threat Intelligence Overview

EPSS Score
0.4%
Top 40% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 0.4%
Patch available Yes
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

46
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +46
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

XML External Entity (XXE) attacks exploit XML parsers that process Document Type Definitions (DTDs) without proper restrictions.

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:a:ibm:integration_bus:9.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:integration_bus:10.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_message_broker:8.0:*:*:*:*:*:*:*
CVE-2025-36014 HIGH
8.2 Jul 07

IBM Integration Bus for z/OS 10.1.0.0 through 10.1.0.5 is vulnerable to code injection by a privileged user with access

CVE-2017-1694 HIGH
8.1 Dec 20

IBM Integration Bus 9.0 and 10.0 transmits user credentials in plain in clear text which can be read by an attacker usin

CVE-2024-27265 MEDIUM
6.5 Mar 14

IBM Integration Bus for z/OS 10.1 through 10.1.0.3 is vulnerable to cross-site request forgery which could allow an atta

CVE-2024-22332 MEDIUM
6.5 Feb 09

The IBM Integration Bus for z/OS 10.1 through 10.1.0.2 AdminAPI is vulnerable to a denial of service due to file system

CVE-2016-9010 MEDIUM
6.1 Feb 15

IBM WebSphere Message Broker 9.0 and 10.0 could allow a remote attacker to hijack the clicking action of the victim. Rat

CVE-2016-8918 MEDIUM
5.9 Feb 01

IBM Integration Bus, under non default configurations, could allow a remote user to authenticate without providing valid

CVE-2017-1207 MEDIUM
5.5 Jul 05

IBM WebSphere Message Broker stores user credentials in plain in clear text which can be read by a local user. Rated med

CVE-2023-45176 MEDIUM
5.5 Oct 14

IBM App Connect Enterprise 11.0.0.1 through 11.0.0.23, 12.0.1.0 through 12.0.10.0 and IBM Integration Bus 10.1 through 1

CVE-2015-7399 MEDIUM
5.3 Jan 11

IBM WebSphere Message Broker 7 before 7.0.0.8 and 8 before 8.0.0.6 and IBM Integration Bus 9 before 9.0.0.3 and 10 befor

CVE-2017-1126 MEDIUM
5.3 Oct 04

IBM WebSphere Message Broker (IBM Integration Bus 9.0 and 10.0) could allow an unauthorized user to obtain sensitive inf

CVE-2016-2961 MEDIUM
5.3 Jul 02

The integration server in IBM Integration Bus 9 before 9.0.0.6 and 10 before 10.0.0.5 and WebSphere Message Broker 8 bef

CVE-2014-6170 MEDIUM
5.0 Feb 02

The HTTPInput node in IBM WebSphere Message Broker 7.0 before 7.0.0.8 and 8.0 before 8.0.0.6 and IBM Integration Bus 9.0

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy