CVE-2021-41531: Invalid RPKI data could disable Route Origin Validation on RTR clients.
First published: Tue Sep 21 2021(Updated: )
NLnet Labs Routinator prior to 0.10.0 produces invalid RTR payload if an RPKI CA uses too large values in the max-length parameter in a ROA. This will lead to RTR clients such as routers to reject the RPKI data set, effectively disabling Route Origin Validation.
Credit: sep@nlnetlabs.nl sep@nlnetlabs.nl
| Affected Software | Affected Version | How to fix |
|---|---|---|
| NLnet Labs Routinator | <0.10.0 |
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Frequently Asked Questions
What is the vulnerability ID for NLnet Labs Routinator?
The vulnerability ID for NLnet Labs Routinator is CVE-2021-41531.
What is the severity of CVE-2021-41531?
The severity of CVE-2021-41531 is high with a CVSS score of 7.5.
What is affected by CVE-2021-41531?
NLnet Labs Routinator prior to version 0.10.0 is affected by CVE-2021-41531.
What is the impact of CVE-2021-41531?
CVE-2021-41531 can lead to the rejection of RPKI data sets by RTR clients, effectively disabling Route Origin Validation.
How can I fix CVE-2021-41531?
To fix CVE-2021-41531, you should update to version 0.10.0 or later of NLnet Labs Routinator.
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