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Txseries For Multiplatforms CVE-2023-33849

LOW
Missing Encryption of Sensitive Data (CWE-311)
2023-06-07 psirt@us.ibm.com
Information Disclosure IBM Cics Tx Txseries For Multiplatforms
3.7
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-311
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V14 - Data Protection Encryption of sensitive data
Impact

CVSS score of 3.7 (LOW). Attack characteristics: network attack vector, high complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the low-severity affected system.
Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAI

IBM TXSeries for Multiplatforms 8.1, 8.2, 9.1, CICS TX Standard, 11.1, CICS TX Advanced 10.1, and 11.1 could transmit sensitive information in query parameters that could be intercepted using man in. Rated low severity (CVSS 3.7), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

This vulnerability is classified under CWE-311. IBM TXSeries for Multiplatforms 8.1, 8.2, 9.1, CICS TX Standard, 11.1, CICS TX Advanced 10.1, and 11.1 could transmit sensitive information in query parameters that could be intercepted using man in the middle techniques. IBM X-Force ID: 257105. Affected products include: Ibm Cics Tx, Ibm Txseries For Multiplatforms.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 3.7 LOW
AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

DescriptionNVD

IBM TXSeries for Multiplatforms 8.1, 8.2, 9.1, CICS TX Standard, 11.1, CICS TX Advanced 10.1, and 11.1 could transmit sensitive information in query parameters that could be intercepted using man in the middle techniques. IBM X-Force ID: 257105.

Threat Intelligence Overview

EPSS Score
0.4%
Top 70% 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 LOW
CISA KEV No
Public POC No
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
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
Defer
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Low

Priority Score

18
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +18
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:ibm:cics_tx:10.1:*:*:*:advanced:*:*:*
cpe:2.3:a:ibm:cics_tx:11.1:*:*:*:advanced:*:*:*
cpe:2.3:a:ibm:cics_tx:11.1:*:*:*:standard:*:*:*
cpe:2.3:a:ibm:txseries_for_multiplatforms:8.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:txseries_for_multiplatforms:9.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:txseries_for_multiplatforms:8.2:*:*:*:*:*:*:*

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References

Advisories & patches
ADVISORY https://exchange.xforce.ibmcloud.com/vulnerabilities/257105 ADVISORY https://www.ibm.com/support/pages/node/7001687 ADVISORY https://www.ibm.com/support/pages/node/7001695 ADVISORY https://www.ibm.com/support/pages/node/7001697

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