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SynologyCVE-2021-29085

HistoryJun 23, 2021 - 10:15 a.m.

CVE-2021-29085

2021-06-2310:15:08

CWE-74

synology

web.nvd.nist.gov

cve-2021-29085

vulnerability

file sharing

synology diskstation manager

remote attack

CVSS2

Attack Vector

NETWORK

Attack 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

CVSS3

8.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

AI Score

8.4

Confidence

High

EPSS

0.001

Percentile

48.5%

JSON

Improper neutralization of special elements in output used by a downstream component (‘Injection’) vulnerability in file sharing management component in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to read arbitrary files via unspecified vectors.

Affected configurations

Nvd

Node

synologydiskstation_managerRange6.2–6.2.3-25426-3

synologydiskstation_manager_unified_controllerRange<3.1-23033

VendorProductVersionCPE
synologydiskstation_manager*cpe:2.3:a:synology:diskstation_manager:*:*:*:*:*:*:*:*
synologydiskstation_manager_unified_controller*cpe:2.3:o:synology:diskstation_manager_unified_controller:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
synology	diskstation_manager	*	cpe:2.3:a:synology:diskstation_manager::::::::
synology	diskstation_manager_unified_controller	*	cpe:2.3:o:synology:diskstation_manager_unified_controller::::::::

CNA Affected

[
  {
    "product": "DiskStation Manager (DSM)",
    "vendor": "Synology",
    "versions": [
      {
        "lessThan": "6.2.3-25426-3",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

www.synology.com/security/advisory/Synology_SA_20_26

CVSS2

Attack Vector

NETWORK

Attack 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

CVSS3

8.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

AI Score

8.4

Confidence

High

EPSS

0.001

Percentile

48.5%

JSON

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