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SynologyCVE-2020-27653

HistoryOct 29, 2020 - 9:15 a.m.

CVE-2020-27653

2020-10-2909:15:13

CWE-327

synology

web.nvd.nist.gov

cve

2020

27653

algorithm downgrade

quickconnect

synology router manager

srm

man-in-the-middle

attack

spoofing

vulnerability

security

CVSS2

5.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.3

Confidence

High

EPSS

0.001

Percentile

45.5%

JSON

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.

Affected configurations

Nvd

Node

synologydiskstation_managerMatch6.2.3_25426

synologyrouter_managerRange1.2–1.2.4-8081

VendorProductVersionCPE
synologydiskstation_manager6.2.3_25426cpe:2.3:a:synology:diskstation_manager:6.2.3_25426:*:*:*:*:*:*:*
synologyrouter_manager*cpe:2.3:a:synology:router_manager:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
synology	diskstation_manager	6.2.3_25426	cpe:2.3:a:synology:diskstation_manager:6.2.3_25426:::::::*
synology	router_manager	*	cpe:2.3:a:synology:router_manager::::::::

CNA Affected

[
  {
    "product": "Synology Router Manager (SRM)",
    "vendor": "Synology",
    "versions": [
      {
        "lessThan": "1.2.4-8081",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

www.synology.com/security/advisory/Synology_SA_20_14

www.talosintelligence.com/vulnerability_reports/TALOS-2020-1061

Social References

CVSS2

5.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

8.3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.3

Confidence

High

EPSS

0.001

Percentile

45.5%

JSON

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