CVE-2020-28918 - Vulnerability Details - OpenCVE

DualShield 5.9.8.0821 allows username enumeration on its login form. A valid username results in prompting for the password, whereas an invalid one will produce an "unknown username" error message.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00298.

Key SSVC decision points have not yet been added.

Vendors	Products
Deepnetsecurity Subscribe	Dualshield Subscribe

Configuration 1 [-]

cpe:2.3:a:deepnetsecurity:dualshield:5.9.8.0821:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2020-21309	DualShield 5.9.8.0821 allows username enumeration on its login form. A valid username results in prompting for the password, whereas an invalid one will produce an "unknown username" error message.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://cds.thalesgroup.com/en/tcs-cert/CVE-2020-28918
https://deepnetsecurity.com/multi-factor-authentication/
https://excellium-services.com/cert-xlm-advisory/CVE-2020-28918

History

Fri, 30 May 2025 16:15:00 +0000

Type	Values Removed	Values Added
References		https://cds.thalesgroup.com/en/tcs-cert/CVE-2020-28918

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-02-16T19:57:39.000Z

Updated: 2025-05-30T16:01:37.418Z

Reserved: 2020-11-18T00:00:00.000Z

Link: CVE-2020-28918

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-02-16T20:15:15.657

Modified: 2025-05-30T16:15:26.667

Link: CVE-2020-28918

Redhat

No data.

OpenCVE Enrichment

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "DualShield 5.9.8.0821 allows username enumeration on its login form. A valid username results in prompting for the password, whereas an invalid one will produce an \"unknown username\" error message."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AC:L/AV:N/A:N/C:L/I:N/PR:N/S:U/UI:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2025-05-30T16:01:37.418Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"url": "https://deepnetsecurity.com/multi-factor-authentication/"}, {"url": "https://excellium-services.com/cert-xlm-advisory/CVE-2020-28918"}, {"url": "https://cds.thalesgroup.com/en/tcs-cert/CVE-2020-28918"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-28918", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "DualShield 5.9.8.0821 allows username enumeration on its login form. A valid username results in prompting for the password, whereas an invalid one will produce an \"unknown username\" error message."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AC:L/AV:N/A:N/C:L/I:N/PR:N/S:U/UI:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://deepnetsecurity.com/multi-factor-authentication/", "refsource": "MISC", "url": "https://deepnetsecurity.com/multi-factor-authentication/"}, {"name": "https://excellium-services.com/cert-xlm-advisory/CVE-2020-28918", "refsource": "MISC", "url": "https://excellium-services.com/cert-xlm-advisory/CVE-2020-28918"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T16:41:00.145Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://deepnetsecurity.com/multi-factor-authentication/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://excellium-services.com/cert-xlm-advisory/CVE-2020-28918"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-28918", "datePublished": "2021-02-16T19:57:39.000Z", "dateReserved": "2020-11-18T00:00:00.000Z", "dateUpdated": "2025-05-30T16:01:37.418Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:deepnetsecurity:dualshield:5.9.8.0821:*:*:*:*:*:*:*", "matchCriteriaId": "7B9EF158-35B1-495B-B626-887CC99C5D24", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "DualShield 5.9.8.0821 allows username enumeration on its login form. A valid username results in prompting for the password, whereas an invalid one will produce an \"unknown username\" error message."}, {"lang": "es", "value": "DualShield versi\u00f3n 5.9.8.0821, permite la enumeraci\u00f3n de nombres de usuario en su formulario de inicio de sesi\u00f3n. Un nombre de usuario v\u00e1lido resulta en un requerimiento de la contrase\u00f1a, mientras que uno no v\u00e1lido producir\u00e1 un mensaje de error \"unknown username\""}], "id": "CVE-2020-28918", "lastModified": "2025-05-30T16:15:26.667", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "cve@mitre.org", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-16T20:15:15.657", "references": [{"source": "cve@mitre.org", "url": "https://cds.thalesgroup.com/en/tcs-cert/CVE-2020-28918"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://deepnetsecurity.com/multi-factor-authentication/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://excellium-services.com/cert-xlm-advisory/CVE-2020-28918"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://deepnetsecurity.com/multi-factor-authentication/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://excellium-services.com/cert-xlm-advisory/CVE-2020-28918"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}