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ID

VAR-202010-0968


CVE

CVE-2020-27657


TITLE

Synology Router Manager  Vulnerability in plaintext transmission of important information in

Trust: 0.8

sources: JVNDB: JVNDB-2020-012782

DESCRIPTION

Cleartext transmission of sensitive information vulnerability in DDNS in Synology Router Manager (SRM) before 1.2.4-8081 allows man-in-the-middle attackers to eavesdrop authentication information of DNSExit via unspecified vectors. Synology Router Manager (SRM) is a software for configuring and managing Synology routers developed by Synology, Taiwan

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sources: NVD: CVE-2020-27657 // JVNDB: JVNDB-2020-012782 // VULHUB: VHN-371566 // VULMON: CVE-2020-27657

AFFECTED PRODUCTS

vendor:synologymodel:router managerscope:gteversion:1.2

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

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vendor:synologymodel:router managerscope:eqversion: -

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

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sources: JVNDB: JVNDB-2020-012782 // NVD: CVE-2020-27657

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-27657
value: MEDIUM

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security@synology.com: CVE-2020-27657
value: MEDIUM

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NVD: CVE-2020-27657
value: MEDIUM

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CNNVD: CNNVD-202010-1638
value: MEDIUM

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VULHUB: VHN-371566
value: MEDIUM

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VULMON: CVE-2020-27657
value: MEDIUM

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nvd@nist.gov: CVE-2020-27657
severity: MEDIUM
baseScore: 4.3
vectorString: AV:N/AC:M/AU:N/C:P/I:N/A:N
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 8.6
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

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VULHUB: VHN-371566
severity: MEDIUM
baseScore: 4.3
vectorString: AV:N/AC:M/AU:N/C:P/I:N/A:N
accessVector: NETWORK
accessComplexity: MEDIUM
authentication: NONE
confidentialityImpact: PARTIAL
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 8.6
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2020-27657
baseSeverity: MEDIUM
baseScore: 5.9
vectorString: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
attackVector: NETWORK
attackComplexity: HIGH
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: 2.2
impactScore: 3.6
version: 3.1

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security@synology.com: CVE-2020-27657
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

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NVD: CVE-2020-27657
baseSeverity: MEDIUM
baseScore: 5.9
vectorString: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
attackVector: NETWORK
attackComplexity: HIGH
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: NONE
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-371566 // VULMON: CVE-2020-27657 // JVNDB: JVNDB-2020-012782 // CNNVD: CNNVD-202010-1638 // NVD: CVE-2020-27657 // NVD: CVE-2020-27657

PROBLEMTYPE DATA

problemtype:CWE-319

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problemtype:Sending important information in clear text (CWE-319) [NVD Evaluation ]

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sources: VULHUB: VHN-371566 // JVNDB: JVNDB-2020-012782 // NVD: CVE-2020-27657

THREAT TYPE

remote

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sources: CNNVD: CNNVD-202010-1638

TYPE

other

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sources: CNNVD: CNNVD-202010-1638

PATCH

title:Synology-SA-20url:https://www.synology.com/security/advisory/Synology_SA_20_14

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title:Synology Router Manager Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=131796

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sources: JVNDB: JVNDB-2020-012782 // CNNVD: CNNVD-202010-1638

EXTERNAL IDS

db:NVDid:CVE-2020-27657

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db:TALOSid:TALOS-2020-1071

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db:JVNDBid:JVNDB-2020-012782

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db:CNNVDid:CNNVD-202010-1638

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db:CNVDid:CNVD-2020-60461

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db:VULHUBid:VHN-371566

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db:VULMONid:CVE-2020-27657

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sources: VULHUB: VHN-371566 // VULMON: CVE-2020-27657 // JVNDB: JVNDB-2020-012782 // CNNVD: CNNVD-202010-1638 // NVD: CVE-2020-27657

REFERENCES

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

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url:https://nvd.nist.gov/vuln/detail/cve-2020-27657

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url:https://www.talosintelligence.com/vulnerability_reports/talos-2020-1071

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url:https://talosintelligence.com/vulnerability_reports/talos-2020-1071

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url:https://cwe.mitre.org/data/definitions/319.html

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url:https://nvd.nist.gov

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sources: VULHUB: VHN-371566 // VULMON: CVE-2020-27657 // JVNDB: JVNDB-2020-012782 // CNNVD: CNNVD-202010-1638 // NVD: CVE-2020-27657

CREDITS

Discovered by Claudio Bozzato of Cisco Talos.

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sources: CNNVD: CNNVD-202010-1638

SOURCES

db:VULHUBid:VHN-371566
db:VULMONid:CVE-2020-27657
db:JVNDBid:JVNDB-2020-012782
db:CNNVDid:CNNVD-202010-1638
db:NVDid:CVE-2020-27657

LAST UPDATE DATE

2024-11-23T22:37:13.644000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-371566date:2020-11-03T00:00:00
db:VULMONid:CVE-2020-27657date:2020-11-03T00:00:00
db:JVNDBid:JVNDB-2020-012782date:2021-06-03T08:31:00
db:CNNVDid:CNNVD-202010-1638date:2020-11-04T00:00:00
db:NVDid:CVE-2020-27657date:2024-11-21T05:21:36.490

SOURCES RELEASE DATE

db:VULHUBid:VHN-371566date:2020-10-29T00:00:00
db:VULMONid:CVE-2020-27657date:2020-10-29T00:00:00
db:JVNDBid:JVNDB-2020-012782date:2021-06-03T00:00:00
db:CNNVDid:CNNVD-202010-1638date:2020-10-29T00:00:00
db:NVDid:CVE-2020-27657date:2020-10-29T09:15:13.590