CVE-2020-8180

A too lax check in Nextcloud Talk 6.0.4, 7.0.2 and 8.0.7 allowed a code injection when a not correctly sanitized talk command was added by an administrator.

CVSS v3.0 9.9 CRITICAL
CVSS v2.0 6.5 MEDIUM

9.9^/10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.1 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

6.5^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://hackerone.com/reports/851807	Exploit Patch Third Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-021	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:nextcloud:talk::::::::
	cpe:2.3:a:nextcloud:talk::::::::
	cpe:2.3:a:nextcloud:talk::::::::

Information

Published : 2020-06-08 07:15

Updated : 2020-06-11 11:10

NVD link : CVE-2020-8180

Mitre link : CVE-2020-8180

JSON object : View

CWE

CWE-94

Improper Control of Generation of Code ('Code Injection')

Products Affected

nextcloud

talk

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://hackerone.com/reports/851807", "name": "https://hackerone.com/reports/851807", "tags": ["Exploit", "Patch", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-021", "name": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-021", "tags": ["Vendor Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "A too lax check in Nextcloud Talk 6.0.4, 7.0.2 and 8.0.7 allowed a code injection when a not correctly sanitized talk command was added by an administrator."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-94"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-8180", "ASSIGNER": "cve-assignments@hackerone.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "CHANGED", "version": "3.1", "baseScore": 9.9, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 3.1}}, "publishedDate": "2020-06-08T14:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:nextcloud:talk:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "6.0.5"}, {"cpe23Uri": "cpe:2.3:a:nextcloud:talk:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "7.0.3", "versionStartIncluding": "7.0.0"}, {"cpe23Uri": "cpe:2.3:a:nextcloud:talk:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "8.0.8", "versionStartIncluding": "8.0.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-06-11T18:10Z"}

9.9 /10