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CVE-2021-43114

HIGHCVSS 7.5/10EPSS 1.09%

Last modified

CVE-2021-43114 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 1.09% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
1.09%

61.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
Fort Validator ProjectFort Validator< 1.5.2
DebianDebian Linux11.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-43114?
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.
How severe is CVE-2021-43114?
CVE-2021-43114 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.09% probability of exploitation in the next 30 days.
How do I fix CVE-2021-43114?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-43114?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST