What is the CVSS score of CVE-2018-5434?

CVE-2018-5434 has a CVSS 3.0 base score of 6.5 (Medium). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 1.2%.

Runtime Agent CVE-2018-5434

MEDIUM

Improper Restriction of XML External Entity Reference (CWE-611)

2018-06-13 security@tibco.com

XXE Runtime Agent

6.5

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Jun 13, 2018 - 13:29 nvd

MEDIUM 6.5

DescriptionNVD

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.

AnalysisAI

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. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as XML External Entity (XXE) (CWE-611), which allows attackers to read arbitrary files or perform SSRF through XML processing. 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. Affected products include: Tibco Runtime Agent.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Disable external entity processing in XML parsers, use JSON instead of XML where possible.