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Infosphere Information Server CVE-2022-40747

CRITICAL
Improper Restriction of XML External Entity Reference (CWE-611)
2022-11-03 psirt@us.ibm.com
IBM XXE Infosphere Information Server
9.1
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-611
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.

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Impact

CVSS score of 9.1 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
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 0.9% exploitation probability (EPSS)

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AnalysisAI

"IBM InfoSphere Information Server 11.7 is vulnerable to an XML External Entity Injection (XXE) attack 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

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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 InfoSphere Information Server 11.7 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 236584." Affected products include: Ibm Infosphere Information Server.

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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

DescriptionNVD

"IBM InfoSphere Information Server 11.7 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 236584."

Threat Intelligence Overview

EPSS Score
0.9%
Top 43% exploitable
Data Quality
2 sources
Confidence: Low
NVD CVE.org EPSS VulDB

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 0.9%
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

47
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +46
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

XML External Entity Injection HIGH

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

Affected Products (CPE)NVD

cpe:2.3:a:ibm:infosphere_information_server:11.7:*:*:*:*:*:*:*

More in Infosphere Information Server

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CVE-2024-40689 CRITICAL
9.8 Jul 26

IBM InfoSphere Information Server 11.7 is vulnerable to SQL injection. Rated critical severity (CVSS 9.8), this vulnerab
CVE-2023-32336 CRITICAL
9.8 May 22

IBM InfoSphere Information Server 11.7 is affected by a remote code execution vulnerability due to insecure deserializat
CVE-2022-40752 CRITICAL
9.8 Nov 16

IBM InfoSphere DataStage 11.7 is vulnerable to a command injection vulnerability due to improper neutralization of speci
CVE-2022-22425 CRITICAL
9.8 Nov 03

"IBM InfoSphere Information Server 11.7 is potentially vulnerable to CSV Injection. Rated critical severity (CVSS 9.8),

CVE-2022-31768 CRITICAL
9.8 Jun 06

IBM InfoSphere Information Server 11.7 is vulnerable to SQL injection. Rated critical severity (CVSS 9.8), this vulnerab
CVE-2012-0204 CRITICAL
9.3 Jan 31

Untrusted search path vulnerability in InfoSphere Import Export Manager 8.1 through 9.1 in InfoSphere Information Server
CVE-2017-1383 CRITICAL
9.1 Aug 02

IBM InfoSphere Information Server 9.1, 11.3, and 11.5 is vulnerable to a XML External Entity Injection (XXE) attack when
CVE-2025-12531 CRITICAL
9.1 Nov 03

XML external entity injection in IBM InfoSphere Information Server 11.7.0.0 through 11.7.1.6 lets remote attackers who c
CVE-2021-38948 CRITICAL
9.1 Nov 02

IBM InfoSphere Information Server 11.7 is vulnerable to an XML External Entity Injection (XXE) attack when processing XM
CVE-2025-36245 HIGH
8.8 Sep 29

IBM InfoSphere 11.7.0.0 through 11.7.1.6 Information Server could allow an authenticated user to execute arbitrary comma
CVE-2024-31902 HIGH
8.8 Jun 30

IBM InfoSphere Information Server 11.7 is vulnerable to cross-site request forgery which could allow an attacker to exec
CVE-2023-38268 HIGH
8.8 Dec 01

IBM InfoSphere Information Server 11.7 is vulnerable to cross-site request forgery which could allow an attacker to exec

Same weakness CWE-611 – Improper Restriction of XML External Entity Reference

View all
CVE-2019-9670 CRITICAL POC
9.8
CVE-2025-58360 CRITICAL POC
9.8
CVE-2025-2775 CRITICAL POC
9.3
CVE-2025-2776 CRITICAL POC
9.3
CVE-2017-12629 CRITICAL POC
9.8
CVE-2016-9563 MEDIUM POC
6.5
CVE-2012-3363 CRITICAL POC
9.1
CVE-2016-4264 HIGH POC
8.6

Same technique XXE

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CVE-2013-5014 HIGH POC
7.5
CVE-2015-0923 MEDIUM POC
5.0
CVE-2014-0644 HIGH POC
7.8

References

Advisories & patches
PATCH https://www.ibm.com/support/pages/node/6829373 ADVISORY https://vuldb.com/vuln/212910

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