CVE-2020-16162

View on CVE.org

Published Jul 30, 2020 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed

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

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:ripe:rpki_validator_3:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.744% probability within 30 days)

Key SSVC decision points have not yet been added.

References

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

History

No history.

Subscriptions

Ripe Rpki Validator 3

Weaknesses

CWE-295

Sources

CVE record Updated: Aug 4, 2024, 1:37 PM

Status: PUBLISHED
Assigner: mitre
Published: Jul 30, 2020, 3:16 PM
Updated: Aug 4, 2024, 1:37 PM
Reserved: Jul 30, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 2:57 AM

Status: Modified
Published: Jul 30, 2020, 4:15 PM
Modified: Jun 17, 2026, 2:57 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "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"}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-07-30T15:16:55.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/RIPE-NCC/rpki-validator-3/issues/162"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/RIPE-NCC/rpki-validator-3/issues/232"}], "tags": ["disputed"], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-16162", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "** DISPUTED ** 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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/RIPE-NCC/rpki-validator-3/issues/162", "refsource": "MISC", "url": "https://github.com/RIPE-NCC/rpki-validator-3/issues/162"}, {"name": "https://github.com/RIPE-NCC/rpki-validator-3/issues/232", "refsource": "MISC", "url": "https://github.com/RIPE-NCC/rpki-validator-3/issues/232"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T13:37:54.173Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/RIPE-NCC/rpki-validator-3/issues/162"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/RIPE-NCC/rpki-validator-3/issues/232"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-16162", "datePublished": "2020-07-30T15:16:55.000Z", "dateReserved": "2020-07-30T00:00:00.000Z", "dateUpdated": "2024-08-04T13:37:54.173Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ripe:rpki_validator_3:*:*:*:*:*:*:*:*", "matchCriteriaId": "63CFA61A-E229-4D54-AC2A-DD5F60AA676A", "versionEndIncluding": "3.1-2020.07.06.14.28", "versionStartIncluding": "3.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [{"sourceIdentifier": "cve@mitre.org", "tags": ["disputed"]}], "descriptions": [{"lang": "en", "value": "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"}, {"lang": "es", "value": "** EN DISPUTA ** Se detect\u00f3 un problema en RIPE NCC RPKI Validator versiones 3.x hasta 3.1-2020.07.06.14.28. Una falta de validaci\u00f3n de comprobaciones en la presencia de CRL o la obsolescencia de CRL en el procedimiento de comprobaci\u00f3n del \u00e1rbol de certificados RPKI basados en X509 permiten a atacantes remotos omitir las restricciones de acceso previstas mediante el uso de certificados revocados. NOTA: puede haber contraargumentos relacionados con la compatibilidad al contrario"}], "id": "CVE-2020-16162", "lastModified": "2026-06-17T02:57:48.683", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-07-30T16:15:11.850", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/RIPE-NCC/rpki-validator-3/issues/162"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/RIPE-NCC/rpki-validator-3/issues/232"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/RIPE-NCC/rpki-validator-3/issues/162"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/RIPE-NCC/rpki-validator-3/issues/232"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-295"}], "source": "nvd@nist.gov", "type": "Primary"}]}