CVE-2020-16162

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-07-30 · updated 2026-06-17
Weakness: CWE-295

Description

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

Affected products

Ripe Rpki Validator 3: from 3.0 through 3.1-2020.07.06.14.28

References

https://github.com/RIPE-NCC/rpki-validator-3/issues/162
https://github.com/RIPE-NCC/rpki-validator-3/issues/232
https://github.com/RIPE-NCC/rpki-validator-3/issues/162
https://github.com/RIPE-NCC/rpki-validator-3/issues/232

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