Vulnerability in Ripe Rpki Validator 3
CVE-2020-16162
An issue was discovered in RIPE NCC RPKI Validator 3.x through 3.1-2020.07.06.14.28. Missing validation checks on CRL presence or CRL staleness in the X509-based RPKI certificate-tree validation procedure allow remote attackers to bypass intended access restrictions by using revoked certificates. NOTE: there may be counterarguments related to backwards compatibility
Vulnerability class: Improper Certificate Validation
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (53.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 53.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/RIPE-NCC/rpki-validator-3/issues/162 (Third Party Advisory)
- github.com/RIPE-NCC/rpki-validator-3/issues/232 (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-16162?
- CVE-2020-16162 is a high-severity vulnerability in Ripe Rpki Validator 3, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2020-07-30.
- How severe is CVE-2020-16162?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-16162 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.