CVE-2021-41531

Invalid RPKI data could disable Route Origin Validation on RTR clients.

Description

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.

Categories

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.35%
Vendor Advisory nlnetlabs.nl
Affected: NLnet Labs Routinator
Published at:
Updated at:

References

Link Tags
https://www.nlnetlabs.nl/downloads/routinator/CVE-2021-41531.txt vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-41531?
CVE-2021-41531 has been scored as a high severity vulnerability.
How to fix CVE-2021-41531?
To fix CVE-2021-41531, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-41531 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-41531 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-41531?
CVE-2021-41531 affects NLnet Labs Routinator.
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