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ID

VAR-202104-1174


CVE

CVE-2021-27648


TITLE

Synology Antivirus Essential  Vulnerability in externally controllable reference to another area resource in

Trust: 0.8

sources: JVNDB: JVNDB-2021-006545

DESCRIPTION

Externally controlled reference to a resource in another sphere in quarantine functionality in Synology Antivirus Essential before 1.4.8-2801 allows remote authenticated users to obtain privilege via unspecified vectors. Synology Antivirus Essential Exists in a vulnerability in externally controllable references to resources in another region.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. Synology Antivirus Essential is an application software of China Synology Company. A free and easy-to-use software package to protect your Synology NAS and files from viruses

Trust: 1.8

sources: NVD: CVE-2021-27648 // JVNDB: JVNDB-2021-006545 // VULHUB: VHN-386941 // VULMON: CVE-2021-27648

AFFECTED PRODUCTS

vendor:synologymodel:antivirus essentialscope:ltversion:1.4.8-2801

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vendor:synologymodel:antivirus essentialscope:eqversion:1.4.8-2801

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vendor:synologymodel:antivirus essentialscope:eqversion: -

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sources: JVNDB: JVNDB-2021-006545 // NVD: CVE-2021-27648

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-27648
value: HIGH

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security@synology.com: CVE-2021-27648
value: CRITICAL

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NVD: CVE-2021-27648
value: HIGH

Trust: 0.8

CNNVD: CNNVD-202104-2069
value: HIGH

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VULHUB: VHN-386941
value: MEDIUM

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nvd@nist.gov: CVE-2021-27648
severity: MEDIUM
baseScore: 6.5
vectorString: AV:N/AC:L/AU:S/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 8.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

VULHUB: VHN-386941
severity: MEDIUM
baseScore: 6.5
vectorString: AV:N/AC:L/AU:S/C:P/I:P/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: PARTIAL
integrityImpact: PARTIAL
availabilityImpact: PARTIAL
exploitabilityScore: 8.0
impactScore: 6.4
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2021-27648
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 5.9
version: 3.1

Trust: 1.0

security@synology.com: CVE-2021-27648
baseSeverity: CRITICAL
baseScore: 9.0
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: REQUIRED
scope: CHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 2.3
impactScore: 6.0
version: 3.1

Trust: 1.0

NVD: CVE-2021-27648
baseSeverity: HIGH
baseScore: 8.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-386941 // JVNDB: JVNDB-2021-006545 // CNNVD: CNNVD-202104-2069 // NVD: CVE-2021-27648 // NVD: CVE-2021-27648

PROBLEMTYPE DATA

problemtype:CWE-610

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problemtype:Externally controllable reference to another region resource (CWE-610) [NVD Evaluation ]

Trust: 0.8

sources: VULHUB: VHN-386941 // JVNDB: JVNDB-2021-006545 // NVD: CVE-2021-27648

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202104-2069

TYPE

other

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sources: CNNVD: CNNVD-202104-2069

PATCH

title:Synology-SA-21url:https://www.synology.com/security/advisory/Synology_SA_21_15

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title:Synology Antivirus Essential Security vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=150357

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sources: JVNDB: JVNDB-2021-006545 // CNNVD: CNNVD-202104-2069

EXTERNAL IDS

db:NVDid:CVE-2021-27648

Trust: 3.4

db:JVNDBid:JVNDB-2021-006545

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db:CNNVDid:CNNVD-202104-2069

Trust: 0.6

db:VULHUBid:VHN-386941

Trust: 0.1

db:VULMONid:CVE-2021-27648

Trust: 0.1

sources: VULHUB: VHN-386941 // VULMON: CVE-2021-27648 // JVNDB: JVNDB-2021-006545 // CNNVD: CNNVD-202104-2069 // NVD: CVE-2021-27648

REFERENCES

url:https://www.synology.com/security/advisory/synology_sa_21_15

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url:https://nvd.nist.gov/vuln/detail/cve-2021-27648

Trust: 1.4

url:https://nvd.nist.gov

Trust: 0.1

sources: VULHUB: VHN-386941 // VULMON: CVE-2021-27648 // JVNDB: JVNDB-2021-006545 // CNNVD: CNNVD-202104-2069 // NVD: CVE-2021-27648

SOURCES

db:VULHUBid:VHN-386941
db:VULMONid:CVE-2021-27648
db:JVNDBid:JVNDB-2021-006545
db:CNNVDid:CNNVD-202104-2069
db:NVDid:CVE-2021-27648

LAST UPDATE DATE

2024-11-23T23:04:03.914000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-386941date:2021-05-12T00:00:00
db:VULMONid:CVE-2021-27648date:2021-04-28T00:00:00
db:JVNDBid:JVNDB-2021-006545date:2022-01-12T07:59:00
db:CNNVDid:CNNVD-202104-2069date:2021-05-13T00:00:00
db:NVDid:CVE-2021-27648date:2024-11-21T05:58:22.523

SOURCES RELEASE DATE

db:VULHUBid:VHN-386941date:2021-04-28T00:00:00
db:VULMONid:CVE-2021-27648date:2021-04-28T00:00:00
db:JVNDBid:JVNDB-2021-006545date:2022-01-12T00:00:00
db:CNNVDid:CNNVD-202104-2069date:2021-04-28T00:00:00
db:NVDid:CVE-2021-27648date:2021-04-28T08:15:07.690