CVE-2020-27650

Synology DiskStation Manager (DSM) before 6.2.3-25426-2 does not set the Secure flag for the session cookie in an HTTPS session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an HTTP session.

CVSS v3 3.7 LOW
CVSS v2.0 4.3 MEDIUM

3.7^/10

CVSS v3 : LOW

Vector :

Exploitability : 2.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

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://www.synology.com/security/advisory/Synology_SA_20_18	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:synology:diskstation_manager:*:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:synology:skynas_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:synology:skynas:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-10-29 09:15

Updated : 2024-02-28 18:08

NVD link : CVE-2020-27650

Mitre link : CVE-2020-27650

CVE.ORG link : CVE-2020-27650

JSON object : View

Products Affected

synology

skynas
diskstation_manager
skynas_firmware

CWE

CWE-311

Missing Encryption of Sensitive Data

CWE-614

Sensitive Cookie in HTTPS Session Without 'Secure' Attribute

{"id": "CVE-2020-27650", "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": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.7, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.2}, {"type": "Secondary", "source": "security@synology.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 3.7, "exploitabilityScore": 1.6}]}, "published": "2020-10-29T09:15:12.793", "references": [{"url": "https://www.synology.com/security/advisory/Synology_SA_20_18", "tags": ["Vendor Advisory"], "source": "security@synology.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-311"}]}, {"type": "Secondary", "source": "security@synology.com", "description": [{"lang": "en", "value": "CWE-614"}]}], "descriptions": [{"lang": "en", "value": "Synology DiskStation Manager (DSM) before 6.2.3-25426-2 does not set the Secure flag for the session cookie in an HTTPS session, which makes it easier for remote attackers to capture this cookie by intercepting its transmission within an HTTP session."}, {"lang": "es", "value": "Synology DiskStation Manager (DSM) versiones anteriores a 6.2.3-25426-2 no establece el flag Secure para la cookie de sesi\u00f3n en una sesi\u00f3n HTTPS, lo que hace m\u00e1s f\u00e1cil a atacantes remotos capturar esta cookie al interceptar su transmisi\u00f3n dentro de una sesi\u00f3n HTTP"}], "lastModified": "2020-11-05T18:21:59.157", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:synology:diskstation_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "64736643-3C6B-4F39-8227-95967BA60AF4", "versionEndExcluding": "6.2.3-25426-2", "versionStartIncluding": "6.2"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:synology:skynas_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9AE10225-4803-4190-91E0-C0E714A9EE4E", "versionEndExcluding": "6.2.3-25426"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:synology:skynas:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "D0A88A76-CF8A-4D29-B480-E5317219072D"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "security@synology.com"}