CVE-2021-41531 - CVE House
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Status published High CVE-2021-41531

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

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • We would like to thank Job Snijders for reporting the issue.

References

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Affected Vendor

Affected Software

Routinator
Vulnerable Versions:
unspecified

Timeline

Official Publish: September 21st, 2021
Last Modified: September 16th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weaknesses (CWE)

CWE-1288

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.