ID

VAR-202010-0966


CVE

CVE-2020-27655


TITLE

Synology Router Manager Vulnerability related to authority management in

Trust: 0.8

sources: JVNDB: JVNDB-2020-009700

DESCRIPTION

Improper access control vulnerability in Synology Router Manager (SRM) before 1.2.4-8081 allows remote attackers to access restricted resources via inbound QuickConnect traffic. Synology Router Manager (SRM) Exists in a privilege management vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be put into a state. Synology Router Manager (SRM) is a software for configuring and managing Synology routers developed by Synology, Taiwan. Synology Router Manager (SRM) prior to version 1.2.4-8081 has a security vulnerability

Trust: 1.8

sources: NVD: CVE-2020-27655 // JVNDB: JVNDB-2020-009700 // VULHUB: VHN-371564 // VULMON: CVE-2020-27655

AFFECTED PRODUCTS

vendor:synologymodel:router managerscope:gteversion:1.2

Trust: 1.0

vendor:synologymodel:router managerscope:ltversion:1.2.4-8081

Trust: 1.0

vendor:synologymodel:router managerscope:eqversion:1.2.4-8081

Trust: 0.8

sources: JVNDB: JVNDB-2020-009700 // NVD: CVE-2020-27655

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-27655
value: CRITICAL

Trust: 1.0

security@synology.com: CVE-2020-27655
value: MEDIUM

Trust: 1.0

NVD: JVNDB-2020-009700
value: CRITICAL

Trust: 0.8

CNNVD: CNNVD-202010-1639
value: CRITICAL

Trust: 0.6

VULHUB: VHN-371564
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2020-27655
severity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.0

NVD: JVNDB-2020-009700
severity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: NONE
impactScore: NONE
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.8

VULHUB: VHN-371564
severity: HIGH
baseScore: 7.5
vectorString: AV:N/AC:L/AU:N/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 10.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2020-27655
baseSeverity: CRITICAL
baseScore: 10.0
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: CHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 6.0
version: 3.1

Trust: 1.0

security@synology.com: CVE-2020-27655
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
attackVector: NETWORK
attackComplexity: HIGH
privilegesRequired: NONE
userInteraction: NONE
scope: CHANGED
confidentialityImpact: LOW
integrityImpact: LOW
availabilityImpact: LOW
exploitabilityScore: 2.2
impactScore: 3.7
version: 3.1

Trust: 1.0

NVD: JVNDB-2020-009700
baseSeverity: CRITICAL
baseScore: 10
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: CHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-371564 // JVNDB: JVNDB-2020-009700 // CNNVD: CNNVD-202010-1639 // NVD: CVE-2020-27655 // NVD: CVE-2020-27655

PROBLEMTYPE DATA

problemtype:CWE-269

Trust: 1.9

sources: VULHUB: VHN-371564 // JVNDB: JVNDB-2020-009700 // NVD: CVE-2020-27655

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202010-1639

TYPE

access control error

Trust: 0.6

sources: CNNVD: CNNVD-202010-1639

CONFIGURATIONS

sources: JVNDB: JVNDB-2020-009700

PATCH

title:Synology-SA-20:14 SRMurl:https://www.synology.com/ja-jp/security/advisory/Synology_SA_20_14

Trust: 0.8

title:Synology Router Manager Fixes for access control error vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=132451

Trust: 0.6

sources: JVNDB: JVNDB-2020-009700 // CNNVD: CNNVD-202010-1639

EXTERNAL IDS

db:NVDid:CVE-2020-27655

Trust: 2.6

db:TALOSid:TALOS-2020-1066

Trust: 1.8

db:JVNDBid:JVNDB-2020-009700

Trust: 0.8

db:CNNVDid:CNNVD-202010-1639

Trust: 0.7

db:CNVDid:CNVD-2020-60457

Trust: 0.1

db:VULHUBid:VHN-371564

Trust: 0.1

db:VULMONid:CVE-2020-27655

Trust: 0.1

sources: VULHUB: VHN-371564 // VULMON: CVE-2020-27655 // JVNDB: JVNDB-2020-009700 // CNNVD: CNNVD-202010-1639 // NVD: CVE-2020-27655

REFERENCES

url:https://www.synology.com/security/advisory/synology_sa_20_14

Trust: 1.8

url:https://nvd.nist.gov/vuln/detail/cve-2020-27655

Trust: 1.4

url:https://www.talosintelligence.com/vulnerability_reports/talos-2020-1066

Trust: 1.2

url:https://cve.mitre.org/cgi-bin/cvename.cgi?name=cve-2020-27655

Trust: 0.8

url:https://talosintelligence.com/vulnerability_reports/talos-2020-1066

Trust: 0.6

url:https://nvd.nist.gov

Trust: 0.1

sources: VULHUB: VHN-371564 // VULMON: CVE-2020-27655 // JVNDB: JVNDB-2020-009700 // CNNVD: CNNVD-202010-1639 // NVD: CVE-2020-27655

CREDITS

Discovered by Claudio Bozzato of Cisco Talos.

Trust: 0.6

sources: CNNVD: CNNVD-202010-1639

SOURCES

db:VULHUBid:VHN-371564
db:VULMONid:CVE-2020-27655
db:JVNDBid:JVNDB-2020-009700
db:CNNVDid:CNNVD-202010-1639
db:NVDid:CVE-2020-27655

LAST UPDATE DATE

2024-11-23T21:35:10.328000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-371564date:2022-11-16T00:00:00
db:VULMONid:CVE-2020-27655date:2020-11-05T00:00:00
db:JVNDBid:JVNDB-2020-009700date:2020-12-01T05:56:31
db:CNNVDid:CNNVD-202010-1639date:2020-11-06T00:00:00
db:NVDid:CVE-2020-27655date:2024-11-21T05:21:36.233

SOURCES RELEASE DATE

db:VULHUBid:VHN-371564date:2020-10-29T00:00:00
db:VULMONid:CVE-2020-27655date:2020-10-29T00:00:00
db:JVNDBid:JVNDB-2020-009700date:2020-12-01T05:56:31
db:CNNVDid:CNNVD-202010-1639date:2020-10-29T00:00:00
db:NVDid:CVE-2020-27655date:2020-10-29T09:15:13.403