What is the CVSS score of CVE-2019-18633?

CVE-2019-18633 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.8%.

Is there a public PoC exploit available for CVE-2019-18633?

Yes, a public proof-of-concept exploit is available for CVE-2019-18633. Prioritise patching immediately. EPSS: 0.8%.

Eidas Node Integration Package CVE-2019-18633

CRITICAL

Improper Certificate Validation (CWE-295)

2019-10-30 cve@mitre.org

Information Disclosure Eidas Node Integration Package

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Oct 30, 2019 - 22:15 nvd

CRITICAL 9.8

DescriptionNVD

AnalysisAI

European Commission eIDAS-Node Integration Package before 2.3.1 has Missing Certificate Validation because a certain ExplicitKeyTrustEvaluator return value is not checked. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-295. European Commission eIDAS-Node Integration Package before 2.3.1 has Missing Certificate Validation because a certain ExplicitKeyTrustEvaluator return value is not checked. NOTE: only 2.1 is confirmed to be affected. Affected products include: Europa Eidas-Node Integration Package. Version information: before 2.3.1.

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.