CVE-2020-25850

HGiga MailSherlock - Arbitrary File Download

View on CVE.org

Published Dec 31, 2020 CVSS 3.1 · 8.1 High EPSS 1.1% KEV · Not listed

Description

The function, view the source code, of HGiga MailSherlock does not validate specific characters. Remote attackers can use this flaw to download arbitrary system files.

Affected Products

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

Vendor Product Default status Versions

HGiga

MailSherlock MSR45/SSR45

affected

Version	Status	Constraints
`unspecified`	affected	< 117

Configuration 1 [-]

OR	cpe:2.3:a:hgiga:msr45_isherlock-user::::::::
	cpe:2.3:a:hgiga:ssr45_isherlock-user::::::::

No data.

No data available yet.

Remediation

Vendor Solution

Update MailSherlock MSR45/SSR45 Module to iSherlock-user-4.5-117.i386.rpm

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2020-18483	The function, view the source code, of HGiga MailSherlock does not validate specific characters. Remote attackers can use this flaw to download arbitrary system files.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

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 None

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 1.1% (1.121% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://www.twcert.org.tw/tw/cp-132-4258-0a8a0-1.html

History

No history.

Subscriptions

Hgiga Msr45 Isherlock-user Ssr45 Isherlock-user

Weaknesses

NVD-CWE-noinfo

Sources

CVE record Updated: Sep 16, 2024, 8:36 PM

Status: PUBLISHED
Assigner: twcert
Published: Dec 31, 2020, 7:45 AM
Updated: Sep 16, 2024, 8:36 PM
Reserved: Sep 23, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:07 AM

Status: Modified
Published: Dec 31, 2020, 8:15 AM
Modified: Jun 17, 2026, 3:07 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"platforms": ["iSherlock-user-4.5"], "product": "MailSherlock MSR45/SSR45", "vendor": "HGiga", "versions": [{"lessThan": "117", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Robin Tung, Dio Lin of CHT Security Co., Ltd."}], "datePublic": "2020-12-31T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The function, view the source code, of HGiga MailSherlock does not validate specific characters. Remote attackers can use this flaw to download arbitrary system files."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "Arbitrary File Download", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-12-31T07:45:49.000Z", "orgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e", "shortName": "twcert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.twcert.org.tw/tw/cp-132-4258-0a8a0-1.html"}], "solutions": [{"lang": "en", "value": "Update MailSherlock MSR45/SSR45 Module to iSherlock-user-4.5-117.i386.rpm"}], "source": {"advisory": "TVN-202011003", "discovery": "EXTERNAL"}, "title": "HGiga MailSherlock - Arbitrary File Download", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"AKA": "TWCERT/CC", "ASSIGNER": "cve@cert.org.tw", "DATE_PUBLIC": "2020-12-31T05:00:00.000Z", "ID": "CVE-2020-25850", "STATE": "PUBLIC", "TITLE": "HGiga MailSherlock - Arbitrary File Download"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "MailSherlock MSR45/SSR45", "version": {"version_data": [{"platform": "iSherlock-user-4.5", "version_affected": "<", "version_value": "117"}]}}]}, "vendor_name": "HGiga"}]}}, "credit": [{"lang": "eng", "value": "Robin Tung, Dio Lin of CHT Security Co., Ltd."}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The function, view the source code, of HGiga MailSherlock does not validate specific characters. Remote attackers can use this flaw to download arbitrary system files."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Arbitrary File Download"}]}]}, "references": {"reference_data": [{"name": "https://www.twcert.org.tw/tw/cp-132-4258-0a8a0-1.html", "refsource": "MISC", "url": "https://www.twcert.org.tw/tw/cp-132-4258-0a8a0-1.html"}]}, "solution": [{"lang": "en", "value": "Update MailSherlock MSR45/SSR45 Module to iSherlock-user-4.5-117.i386.rpm"}], "source": {"advisory": "TVN-202011003", "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T15:49:05.969Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.twcert.org.tw/tw/cp-132-4258-0a8a0-1.html"}]}]}, "cveMetadata": {"assignerOrgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e", "assignerShortName": "twcert", "cveId": "CVE-2020-25850", "datePublished": "2020-12-31T07:45:49.379Z", "dateReserved": "2020-09-23T00:00:00.000Z", "dateUpdated": "2024-09-16T20:36:52.413Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"platforms": ["iSherlock-user-4.5"], "product": "MailSherlock MSR45/SSR45", "vendor": "HGiga", "versions": [{"lessThan": "117", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "twcert@cert.org.tw"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:hgiga:msr45_isherlock-user:*:*:*:*:*:*:*:*", "matchCriteriaId": "E609EB1A-4078-48E2-BEA7-DCC5AD186C9D", "versionEndExcluding": "4.5-117", "vulnerable": true}, {"criteria": "cpe:2.3:a:hgiga:ssr45_isherlock-user:*:*:*:*:*:*:*:*", "matchCriteriaId": "BDBF5A5B-533F-4095-9A4C-55352A4C1054", "versionEndExcluding": "4.5-117", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The function, view the source code, of HGiga MailSherlock does not validate specific characters. Remote attackers can use this flaw to download arbitrary system files."}, {"lang": "es", "value": "La funci\u00f3n, visualizar el c\u00f3digo fuente, de HGiga MailSherlock no comprueba caracteres espec\u00edficos. Unos atacantes remotos pueden usar este fallo para descargar archivos de sistema arbitrarios."}], "id": "CVE-2020-25850", "lastModified": "2026-06-17T03:07:23.513", "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": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "twcert@cert.org.tw", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-12-31T08:15:13.503", "references": [{"source": "twcert@cert.org.tw", "tags": ["Third Party Advisory"], "url": "https://www.twcert.org.tw/tw/cp-132-4258-0a8a0-1.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.twcert.org.tw/tw/cp-132-4258-0a8a0-1.html"}], "sourceIdentifier": "twcert@cert.org.tw", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}