CVE-2020-27653

Algorithm downgrade vulnerability in QuickConnect in Synology Router Manager (SRM) before 1.2.4-8081 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via unspecified vectors.

CVSS v3 8.3 HIGH
CVSS v2.0 5.1 MEDIUM

8.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.6 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

5.1^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 4.9 / Impact : 6.4

Access Vector NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.synology.com/security/advisory/Synology_SA_20_14	Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1061	Exploit Third Party Advisory
https://www.synology.com/security/advisory/Synology_SA_20_14	Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1061	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:synology:diskstation_manager:6.2.3_25426:::::::*
	cpe:2.3:a:synology:router_manager::::::::

History

21 Nov 2024, 05:21

Type	Values Removed	Values Added
References	~~() https://www.synology.com/security/advisory/Synology_SA_20_14 - Vendor Advisory~~	() https://www.synology.com/security/advisory/Synology_SA_20_14 - Vendor Advisory
References	~~() https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1061 - Exploit, Third Party Advisory~~	() https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1061 - Exploit, Third Party Advisory

Information

Published : 2020-10-29 09:15

Updated : 2024-11-21 05:21

NVD link : CVE-2020-27653

Mitre link : CVE-2020-27653

CVE.ORG link : CVE-2020-27653

JSON object : View

Products Affected

synology

router_manager
diskstation_manager

CWE

CWE-327

Use of a Broken or Risky Cryptographic Algorithm

{"id": "CVE-2020-27653", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.1, "accessVector": "NETWORK", "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "HIGH", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 4.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Secondary", "source": "security@synology.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.6}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.6}]}, "published": "2020-10-29T09:15:13.230", "references": [{"url": "https://www.synology.com/security/advisory/Synology_SA_20_14", "tags": ["Vendor Advisory"], "source": "security@synology.com"}, {"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1061", "tags": ["Exploit", "Third Party Advisory"], "source": "security@synology.com"}, {"url": "https://www.synology.com/security/advisory/Synology_SA_20_14", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1061", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "security@synology.com", "description": [{"lang": "en", "value": "CWE-327"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-327"}]}], "descriptions": [{"lang": "en", "value": "Algorithm downgrade vulnerability in QuickConnect in Synology Router Manager (SRM) before 1.2.4-8081 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via unspecified vectors."}, {"lang": "es", "value": "Una vulnerabilidad de degradaci\u00f3n del algoritmo en QuickConnect en Synology Router Manager (SRM) versiones anteriores a 1.2.4-8081, permite a atacantes de tipo man-in-the-middle falsificar servidores y obtener informaci\u00f3n confidencial por medio de vectores no especificados"}], "lastModified": "2024-11-21T05:21:35.943", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:synology:diskstation_manager:6.2.3_25426:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3D2D96E3-2AFE-43DE-BE6F-C45CE1A7F667"}, {"criteria": "cpe:2.3:a:synology:router_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7C49AB27-F80E-47E1-8A95-6F5D36FE08D1", "versionEndExcluding": "1.2.4-8081", "versionStartIncluding": "1.2"}], "operator": "OR"}]}], "sourceIdentifier": "security@synology.com"}