CVE-2020-17366

mediumpriority · track · 30EPSS 0.007 · 55 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.75% (55th) EPSS

CVSS 5.8 · medium

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

An issue was discovered in NLnet Labs Routinator 0.1.0 through 0.7.1. It allows remote attackers to bypass intended access restrictions or to cause a denial of service on dependent routing systems by strategically withholding RPKI Route Origin Authorisation ".roa" files or X509 Certificate Revocation List files from the RPKI relying party's view.

cvss

Technical severity, 0–10. One row per scoring source.

7.4

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.8–7.4

v2.05.8mediumAV:N/AC:M/Au:N/C:N/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 4.9

v3.17.4highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:Hprimary · NVD / NIST USexploitability 2.2 · impact 5.2

v3.16.8mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-295USprimary

affected products (2)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
nlnetlabs routinator0.1.0 → 0.7.1nvdUScpe:2.3:a:nlnetlabs:routinator:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2020-08-05modified 2026-06-17

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+1889 more

references (7)

External citations — patches, advisories, analysis.

https://github.com/NLnetLabs/routinator/issues/319 cnnvd
https://github.com/NLnetLabs/routinator/releases/tag/v0.8.0 cnnvd
https://nvd.nist.gov/vuln/detail/CVE-2020-17366 cnnvd
https://github.com/NLnetLabs/routinator/issues/319 enisa_euvd
https://github.com/NLnetLabs/routinator/releases/tag/v0.8.0 enisa_euvd
https://github.com/NLnetLabs/routinator/issues/319ExploitIssue TrackingThird Party Advisorynvd
https://github.com/NLnetLabs/routinator/releases/tag/v0.8.0Release NotesThird Party Advisorynvd

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