CVE-2021-43114

HIGH

fort_validator < 1.5.2 - Denial of Service via X.509 EE Certificate Parsing

Title source: llm
STIX 2.1

Description

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.

Scores

CVSS v3 7.5
EPSS 0.0109
EPSS Percentile 61.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

Status published
Products (2)
debian/debian_linux 11.0
fort_validator_project/fort_validator < 1.5.2
Published Nov 09, 2021
Tracked Since Feb 18, 2026