What is the CVSS score of CVE-2021-29738?

CVE-2021-29738 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N. EPSS exploitation probability: 0.5%.

Is there a patch available for CVE-2021-29738?

Yes, a patch is available for CVE-2021-29738. Update the affected software to the latest version immediately.

Infosphere Information Server CVE-2021-29738

MEDIUM

Server-Side Request Forgery (SSRF) (CWE-918)

2021-11-02 psirt@us.ibm.com

SSRF IBM Infosphere Information Server

5.4

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-918 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V4 - API and Web Service URL allowlisting, SSRF prevention MITRE ATT&CK 2 techniques across 2 tactics: Initial Access, Credential Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 5.4 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required.
Exploit ScenarioDerived	A remote attacker could make the server perform requests to unintended internal or external resources by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 0.5% exploitation probability (EPSS)

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AnalysisAI

IBM InfoSphere Data Flow Designer (IBM InfoSphere Information Server 11.7 ) is vulnerable to server-side request forgery (SSRF). Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate and allowlist destination URLs, block requests to internal networks, use network segmentation.

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 Server-Side Request Forgery (SSRF) (CWE-918), which allows attackers to make the server perform requests to unintended internal or external resources. IBM InfoSphere Data Flow Designer (IBM InfoSphere Information Server 11.7 ) is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks. IBM X-Force ID: 201302. Affected products include: Ibm Infosphere Information Server.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.4 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

DescriptionNVD

IBM InfoSphere Data Flow Designer (IBM InfoSphere Information Server 11.7 ) is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks. IBM X-Force ID: 201302.

Threat Intelligence Overview

EPSS Score

0.5%

Top 63% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

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 MEDIUM

CISA KEV No

Public POC No

EPSS 0.5%

Patch available Yes

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

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

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +27

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Server-Side Request Forgery HIGH

Server-Side Request Forgery exploits applications that fetch remote resources based on user-supplied URLs.

Affected Products (CPE)NVD

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

More in Infosphere Information Server

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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 Act Now

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 Act Now

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 Act Now

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 Act Now

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 Act Now

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 Act Now

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 Act Now

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-2022-40747 CRITICAL Act Now

9.1 Nov 03

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

CVE-2021-38948 CRITICAL Act Now

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 This Week

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 This Week

8.8 Jun 30

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

Same weakness CWE-918 – Server-Side Request Forgery (SSRF)

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CVE-2021-34473 CRITICAL POC

9.1

CVE-2021-26855 CRITICAL POC

9.1

CVE-2021-21985 CRITICAL POC

9.8

CVE-2022-41040 HIGH POC

8.8

CVE-2024-21893 HIGH POC

8.2

CVE-2021-40438 CRITICAL POC

9.0

CVE-2021-22054 HIGH POC

7.5

CVE-2021-21975 HIGH POC

7.5

Same technique SSRF

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CVE-2016-3718 MEDIUM POC

5.5

References

Advisories & patches

PATCH https://www.ibm.com/support/pages/node/6509084 ADVISORY https://exchange.xforce.ibmcloud.com/vulnerabilities/201302

Search Externally

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