Vulnerability in Ripe Rpki Validator 3
CVE-2020-16164
An issue was discovered in RIPE NCC RPKI Validator 3.x through 3.1-2020.07.06.14.28. 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. NOTE: some third parties may regard this as a preferred behavior, not a vulnerability
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (58.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/RIPE-NCC/rpki-validator-3/issues/232 (Third Party Advisory, Issue Tracking)
- github.com/RIPE-NCC/rpki-validator-3/issues/158 (Third Party Advisory, Issue Tracking)
- github.com/RIPE-NCC/rpki-validator-3/security/advisories/GHSA-q76j-58cx-wp5v (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-16164?
- CVE-2020-16164 is a high-severity vulnerability in Ripe Rpki Validator 3, classified under Improper Certificate Validation. CVSS score: 7.4/10. Published 2020-07-30.
- How severe is CVE-2020-16164?
- High severity. CVSS v3 base score is 7.4 out of 10.
- Is CVE-2020-16164 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.