CVE-2020-28929 - Vulnerability Details - OpenCVE

Description

Unrestricted access to the log downloader functionality in EPSON EPS TSE Server 8 (21.0.11) allows an unauthenticated attacker to remotely retrieve administrative hashed credentials via the maintenance/troubleshoot.php?download=1 URI.

Published: 2020-12-16

Score: 9.8 Critical

EPSS: 2.0% Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:epson:eps_tse_server_8_firmware:21.0.11:*:*:*:*:*:*:*

cpe:2.3:h:epson:eps_tse_server_8:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2020-21317	Unrestricted access to the log downloader functionality in EPSON EPS TSE Server 8 (21.0.11) allows an unauthenticated attacker to remotely retrieve administrative hashed credentials via the maintenance/troubleshoot.php?download=1 URI.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.01983.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://blog.bssi.fr/multiple-vulnerabilities-within-epson-eps-tse-server-8/#vulnerability-1

History

No history.

Subscriptions

Epson Eps Tse Server 8 Eps Tse Server 8 Firmware

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2020-12-16T20:22:56.000Z

Updated: 2024-08-04T16:47:59.883Z

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

Link: CVE-2020-28929

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-12-16T21:15:12.887

Modified: 2024-11-21T05:23:19.110

Link: CVE-2020-28929

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-306

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Unrestricted access to the log downloader functionality in EPSON EPS TSE Server 8 (21.0.11) allows an unauthenticated attacker to remotely retrieve administrative hashed credentials via the maintenance/troubleshoot.php?download=1 URI."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-12-16T20:22:56.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://blog.bssi.fr/multiple-vulnerabilities-within-epson-eps-tse-server-8/#vulnerability-1"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-28929", "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": "Unrestricted access to the log downloader functionality in EPSON EPS TSE Server 8 (21.0.11) allows an unauthenticated attacker to remotely retrieve administrative hashed credentials via the maintenance/troubleshoot.php?download=1 URI."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://blog.bssi.fr/multiple-vulnerabilities-within-epson-eps-tse-server-8/#vulnerability-1", "refsource": "MISC", "url": "https://blog.bssi.fr/multiple-vulnerabilities-within-epson-eps-tse-server-8/#vulnerability-1"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T16:47:59.883Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://blog.bssi.fr/multiple-vulnerabilities-within-epson-eps-tse-server-8/#vulnerability-1"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-28929", "datePublished": "2020-12-16T20:22:56.000Z", "dateReserved": "2020-11-18T00:00:00.000Z", "dateUpdated": "2024-08-04T16:47:59.883Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:epson:eps_tse_server_8_firmware:21.0.11:*:*:*:*:*:*:*", "matchCriteriaId": "3D75CC35-887D-4033-BF48-1D96D7CD7255", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:epson:eps_tse_server_8:-:*:*:*:*:*:*:*", "matchCriteriaId": "E29DAAA3-B82C-44C0-B45F-3DD6FF414305", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "Unrestricted access to the log downloader functionality in EPSON EPS TSE Server 8 (21.0.11) allows an unauthenticated attacker to remotely retrieve administrative hashed credentials via the maintenance/troubleshoot.php?download=1 URI."}, {"lang": "es", "value": "Un acceso sin restricciones a la funcionalidad log downloader en EPSON EPS TSE Server 8 (versi\u00f3n 21.0.11), permite a un atacante no autenticado recuperar remotamente credenciales administrativas en el hash por medio del URI maintenance/troubleshoot.php?download=1"}], "id": "CVE-2020-28929", "lastModified": "2024-11-21T05:23:19.110", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-12-16T21:15:12.887", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://blog.bssi.fr/multiple-vulnerabilities-within-epson-eps-tse-server-8/#vulnerability-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://blog.bssi.fr/multiple-vulnerabilities-within-epson-eps-tse-server-8/#vulnerability-1"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-306"}], "source": "nvd@nist.gov", "type": "Primary"}]}