What is the CVSS score of CVE-2021-43114?

CVE-2021-43114 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.1%.

Is there a patch available for CVE-2021-43114?

Yes, a patch is available for CVE-2021-43114. Update the affected software to the latest version immediately.

Fort Validator CVE-2021-43114

HIGH

2021-11-09 cve@mitre.org

Denial Of Service Fort Validator Debian Linux

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Nov 09, 2021 - 13:15 nvd

HIGH 7.5

DescriptionNVD

AnalysisAI

FORT Validator versions prior to 1.5.2 will crash if an RPKI CA publishes an X.509 EE certificate. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Technical ContextAI

FORT Validator versions prior to 1.5.2 will crash if an RPKI CA publishes an X.509 EE certificate. This will lead to RTR clients such as BGP routers to lose access to the RPKI VRP data set, effectively disabling Route Origin Validation. Affected products include: Fort Validator Project Fort Validator, Debian Debian Linux. Version information: prior to 1.5.2.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.