CVE-2021-37703

Discourse is an open-source platform for community discussion. In Discourse before versions 2.7.8 and 2.8.0.beta5, a user's read state for a topic such as the last read post number and the notification level is exposed.

CVSS v3 4.3 MEDIUM
CVSS v2.0 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:N/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/discourse/discourse/commit/aed65ec16d38886d7be7209d8c02df4ffd4937a4	Patch Third Party Advisory
https://github.com/discourse/discourse/security/advisories/GHSA-gq2h-qhg2-phf9	Third Party Advisory
https://github.com/discourse/discourse/commit/aed65ec16d38886d7be7209d8c02df4ffd4937a4	Patch Third Party Advisory
https://github.com/discourse/discourse/security/advisories/GHSA-gq2h-qhg2-phf9	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:discourse:discourse::::::::
	cpe:2.3:a:discourse:discourse:2.8.0:beta1::::::
	cpe:2.3:a:discourse:discourse:2.8.0:beta2::::::
	cpe:2.3:a:discourse:discourse:2.8.0:beta3::::::
	cpe:2.3:a:discourse:discourse:2.8.0:beta4::::::

History

21 Nov 2024, 06:15

Type	Values Removed	Values Added
References	~~() https://github.com/discourse/discourse/commit/aed65ec16d38886d7be7209d8c02df4ffd4937a4 - Patch, Third Party Advisory~~	() https://github.com/discourse/discourse/commit/aed65ec16d38886d7be7209d8c02df4ffd4937a4 - Patch, Third Party Advisory
References	~~() https://github.com/discourse/discourse/security/advisories/GHSA-gq2h-qhg2-phf9 - Third Party Advisory~~	() https://github.com/discourse/discourse/security/advisories/GHSA-gq2h-qhg2-phf9 - Third Party Advisory

Information

Published : 2021-08-13 16:15

Updated : 2024-11-21 06:15

NVD link : CVE-2021-37703

Mitre link : CVE-2021-37703

CVE.ORG link : CVE-2021-37703

JSON object : View

Products Affected

discourse

discourse

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

{"id": "CVE-2021-37703", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "published": "2021-08-13T16:15:07.827", "references": [{"url": "https://github.com/discourse/discourse/commit/aed65ec16d38886d7be7209d8c02df4ffd4937a4", "tags": ["Patch", "Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/discourse/discourse/security/advisories/GHSA-gq2h-qhg2-phf9", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/discourse/discourse/commit/aed65ec16d38886d7be7209d8c02df4ffd4937a4", "tags": ["Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/discourse/discourse/security/advisories/GHSA-gq2h-qhg2-phf9", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-200"}]}], "descriptions": [{"lang": "en", "value": "Discourse is an open-source platform for community discussion. In Discourse before versions 2.7.8 and 2.8.0.beta5, a user's read state for a topic such as the last read post number and the notification level is exposed."}, {"lang": "es", "value": "Discourse es una plataforma de c\u00f3digo abierto para el debate comunitario. En Discourse versiones anteriores a 2.7.8 y 2.8.0.beta5, el estado de lectura de un usuario para un tema, como el n\u00famero de la \u00faltima publicaci\u00f3n le\u00edda y el nivel de notificaci\u00f3n, est\u00e1 expuesto."}], "lastModified": "2024-11-21T06:15:44.747", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2A85C6E2-A78D-47B2-AE03-A12AE6A2E8BD", "versionEndExcluding": "2.7.8"}, {"criteria": "cpe:2.3:a:discourse:discourse:2.8.0:beta1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9E7F8AC4-35D1-45E5-8A3A-B0205000A5D3"}, {"criteria": "cpe:2.3:a:discourse:discourse:2.8.0:beta2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B9AE12FE-0396-4843-8D30-D8C44FAE01DA"}, {"criteria": "cpe:2.3:a:discourse:discourse:2.8.0:beta3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F101AEAB-4FB7-4BE3-931B-595702D616C7"}, {"criteria": "cpe:2.3:a:discourse:discourse:2.8.0:beta4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F6878B7F-2691-4D3F-8116-CB282FDAAAC7"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}