Vulnerability · Published Sep 21, 2021 · Assigned by NLnet Labs
CVE-2021-41531Invalid RPKI data could disable Route Origin Validation on RTR clients.
High 7.5
In plain English
A high-severity security flaw in Routinator from NLnet Labs. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)0.9%top 39.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| NLnet Labs | Routinator | unspecified – through 0.9.0 |
Weakness: CWE-1288
References
- https://www.nlnetlabs.nl/downloads/routinator/CVE-2021-41531.txt x_refsource_MISC