Improper input validation in Nlnet Labs Routinator

CVE-2021-41531

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 R…

EPSS: 0.009 (56.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-41531?
CVE-2021-41531 is a high-severity vulnerability in Nlnet Labs Routinator, classified under CWE-1288. CVSS score: 7.5/10. Published 2021-09-21.
How severe is CVE-2021-41531?
High severity. CVSS v3 base score is 7.5 out of 10.