CVE-2021-34434 - OpenCVE

In Eclipse Mosquitto versions 2.0 to 2.0.11, when using the dynamic security plugin, if the ability for a client to make subscriptions on a topic is revoked when a durable client is offline, then existing subscriptions for that client are not revoked.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

AV:N/AC:L/Au:N/C:P/I:N/A:N

Vendors & Products
CPE Configurations

Vendors	Products
Eclipse	Mosquitto
Fedoraproject	Fedora

Configuration 1 [-]

cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*

Configuration 2 [-]

OR	cpe:2.3:o:fedoraproject:fedora:34:::::::*
	cpe:2.3:o:fedoraproject:fedora:35:::::::*

References

Link	Resource
https://bugs.eclipse.org/bugs/show_bug.cgi?id=575324	Exploit Issue Tracking Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K4WWGVF5BUFPYPCFUPPP4KRIYI5OTJN2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RLUUM52Y6AEICPXPSRRXC6OBY4H5XKW7/
https://www.debian.org/security/2023/dsa-5511

History

No history.

MITRE Information

Status: PUBLISHED

Assigner: eclipse

Published: 2021-08-30T00:00:00

Updated: 2023-10-02T11:06:28.988133

Reserved: 2021-06-09T00:00:00

Link: CVE-2021-34434

JSON object: View

NVD Information

Status : Modified

Published: 2021-08-30T20:15:07.363

Modified: 2023-11-07T03:35:59.997

Link: CVE-2021-34434

JSON object: View

Redhat Information

No data.

CWE

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*", "matchCriteriaId": "07853BAC-AF86-4FF4-B0DB-FC0B91EE1E28", "versionEndIncluding": "2.0.11", "versionStartIncluding": "2.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*", "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In Eclipse Mosquitto versions 2.0 to 2.0.11, when using the dynamic security plugin, if the ability for a client to make subscriptions on a topic is revoked when a durable client is offline, then existing subscriptions for that client are not revoked."}, {"lang": "es", "value": "En Eclipse Mosquitto versiones 2.0 hasta 2.0.11, cuando se usa el plugin de seguridad din\u00e1mica, si se revoca la habilidad de un cliente para realizar suscripciones en un tema cuando un cliente duradero est\u00e1 fuera de l\u00ednea, las suscripciones existentes para ese cliente no son revocadas."}], "id": "CVE-2021-34434", "lastModified": "2023-11-07T03:35:59.997", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/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": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-08-30T20:15:07.363", "references": [{"source": "emo@eclipse.org", "tags": ["Exploit", "Issue Tracking", "Vendor Advisory"], "url": "https://bugs.eclipse.org/bugs/show_bug.cgi?id=575324"}, {"source": "emo@eclipse.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K4WWGVF5BUFPYPCFUPPP4KRIYI5OTJN2/"}, {"source": "emo@eclipse.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RLUUM52Y6AEICPXPSRRXC6OBY4H5XKW7/"}, {"source": "emo@eclipse.org", "url": "https://www.debian.org/security/2023/dsa-5511"}], "sourceIdentifier": "emo@eclipse.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-285"}], "source": "emo@eclipse.org", "type": "Secondary"}]}