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CVE-2018-5434

MEDIUM
Published 2018-06-13T13:00:00Z
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CVSS Score

V3.0
5.8
/10
CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.002
probability
of exploitation in the wild

There is a 0.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.460
Higher than 46.0% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Description

The TIBCO Designer component of TIBCO Software Inc.'s TIBCO Runtime Agent, and TIBCO Runtime Agent for z/Linux contains vulnerabilities wherein a malicious user could perform XML external entity expansion (XXE) attacks to disclose host machine information. Affected releases are TIBCO Software Inc.'s TIBCO Runtime Agent: versions up to and including 5.10.0, and TIBCO Runtime Agent for z/Linux: versions up to and including 5.9.1.

Understanding This Vulnerability

This Common Vulnerabilities and Exposures (CVE) entry provides detailed information about a security vulnerability that has been publicly disclosed. CVEs are standardized identifiers assigned by MITRE Corporation to track and catalog security vulnerabilities across software and hardware products.

The severity rating (MEDIUM) indicates the potential impact of this vulnerability based on the CVSS (Common Vulnerability Scoring System) framework. Higher severity ratings typically indicate vulnerabilities that could lead to more significant security breaches if exploited. Security teams should prioritize remediation efforts based on severity, exploit availability, and the EPSS (Exploit Prediction Scoring System) score, which predicts the likelihood of exploitation in the wild.

If this vulnerability affects products or systems in your infrastructure, we recommend reviewing the affected products section, checking for available patches or updates from vendors, and implementing recommended workarounds or solutions until a permanent fix is available. Organizations should also monitor security advisories and threat intelligence feeds for updates about active exploitation of this vulnerability.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

References

Solutions

TIBCO has released updated versions of the affected components which address these issues. For each affected system, update to the corresponding software versions:

TIBCO Runtime Agent versions 5.10.0 and below update to version 5.10.1 or higher
TIBCO Runtime Agent for z/Linux versions 5.9.1 and below update to version 5.10.1 or higher

Credits & Acknowledgments

TIBCO would like to extend its appreciation to Baker Hamilton at Bishop Fox for discovery of this vulnerability.

EU Vulnerability Database

Monitored by ENISA for EU cybersecurity

EU Coordination

Not EU Coordinated

Exploitation Status

No Known Exploitation

ENISA Analysis

Malicious code in bioql (PyPI)

Affected Products (ENISA)

tibco software inc.
tibco runtime agent for z/linux

ENISA Scoring

CVSS Score (3.0)

5.8
/10
CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N

EPSS Score

0.230
probability

Data provided by ENISA EU Vulnerability Database. Last updated: October 3, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-cp2r-w5fv-px97

Advisory Details

The TIBCO Designer component of TIBCO Software Inc.'s TIBCO Runtime Agent, and TIBCO Runtime Agent for z/Linux contains vulnerabilities wherein a malicious user could perform XML external entity expansion (XXE) attacks to disclose host machine information. Affected releases are TIBCO Software Inc.'s TIBCO Runtime Agent: versions up to and including 5.10.0, and TIBCO Runtime Agent for z/Linux: versions up to and including 5.9.1.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

Advisory provided by GitHub Security Advisory Database. Published: May 13, 2022, Modified: May 13, 2022

References

Published: 2018-06-13T13:00:00Z
Last Modified: 2024-09-16T20:31:50.987Z
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