CVE-2021-3846

Unrestricted Upload of File with Dangerous Type in firefly-iii/firefly-iii

View on CVE.org

Published Oct 19, 2021 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Description

firefly-iii is vulnerable to Unrestricted Upload of File with Dangerous Type

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

firefly-iii

firefly-iii/firefly-iii

affected

Version	Status	Constraints
`unspecified`	affected	< 5.6.2

Configuration 1 [-]

cpe:2.3:a:firefly-iii:firefly_iii:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2022-2585	firefly-iii is vulnerable to Unrestricted Upload of File with Dangerous Type
Github GHSA	GHSA-5gq7-826w-8282	Unrestricted File Upload vulnerability in Firefly III

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Local

Attack Complexity High

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.779% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/firefly-iii/firefly-iii/commit/a85b6420c19ace35134f896e094e1971d8c7954b
https://huntr.dev/bounties/5267ec1c-d204-40d2-bd4f-6c2dd495ee18

History

No history.

Subscriptions

Firefly-iii Firefly Iii

Weaknesses

CWE-434

Sources

CVE record Updated: Aug 3, 2024, 5:09 PM

Status: PUBLISHED
Assigner: @huntrdev
Published: Oct 19, 2021, 12:30 PM
Updated: Aug 3, 2024, 5:09 PM
Reserved: Oct 1, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:05 AM

Status: Modified
Published: Oct 19, 2021, 1:15 PM
Modified: Jun 17, 2026, 4:05 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "firefly-iii/firefly-iii", "vendor": "firefly-iii", "versions": [{"lessThan": "5.6.2", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "firefly-iii is vulnerable to Unrestricted Upload of File with Dangerous Type"}], "metrics": [{"cvssV3_0": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-434", "description": "CWE-434 Unrestricted Upload of File with Dangerous Type", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-10-19T12:30:26.000Z", "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "shortName": "@huntrdev"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://huntr.dev/bounties/5267ec1c-d204-40d2-bd4f-6c2dd495ee18"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/firefly-iii/firefly-iii/commit/a85b6420c19ace35134f896e094e1971d8c7954b"}], "source": {"advisory": "5267ec1c-d204-40d2-bd4f-6c2dd495ee18", "discovery": "EXTERNAL"}, "title": "Unrestricted Upload of File with Dangerous Type in firefly-iii/firefly-iii", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@huntr.dev", "ID": "CVE-2021-3846", "STATE": "PUBLIC", "TITLE": "Unrestricted Upload of File with Dangerous Type in firefly-iii/firefly-iii"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "firefly-iii/firefly-iii", "version": {"version_data": [{"version_affected": "<", "version_value": "5.6.2"}]}}]}, "vendor_name": "firefly-iii"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "firefly-iii is vulnerable to Unrestricted Upload of File with Dangerous Type"}]}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-434 Unrestricted Upload of File with Dangerous Type"}]}]}, "references": {"reference_data": [{"name": "https://huntr.dev/bounties/5267ec1c-d204-40d2-bd4f-6c2dd495ee18", "refsource": "CONFIRM", "url": "https://huntr.dev/bounties/5267ec1c-d204-40d2-bd4f-6c2dd495ee18"}, {"name": "https://github.com/firefly-iii/firefly-iii/commit/a85b6420c19ace35134f896e094e1971d8c7954b", "refsource": "MISC", "url": "https://github.com/firefly-iii/firefly-iii/commit/a85b6420c19ace35134f896e094e1971d8c7954b"}]}, "source": {"advisory": "5267ec1c-d204-40d2-bd4f-6c2dd495ee18", "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:09:09.516Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://huntr.dev/bounties/5267ec1c-d204-40d2-bd4f-6c2dd495ee18"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/firefly-iii/firefly-iii/commit/a85b6420c19ace35134f896e094e1971d8c7954b"}]}]}, "cveMetadata": {"assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "assignerShortName": "@huntrdev", "cveId": "CVE-2021-3846", "datePublished": "2021-10-19T12:30:26.000Z", "dateReserved": "2021-10-01T00:00:00.000Z", "dateUpdated": "2024-08-03T17:09:09.516Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "firefly-iii/firefly-iii", "vendor": "firefly-iii", "versions": [{"lessThan": "5.6.2", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@huntr.dev"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:firefly-iii:firefly_iii:*:*:*:*:*:*:*:*", "matchCriteriaId": "AB91CA1A-2671-4BDE-888A-D1C6B87067EA", "versionEndExcluding": "5.6.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "firefly-iii is vulnerable to Unrestricted Upload of File with Dangerous Type"}, {"lang": "es", "value": "firefly-iii es vulnerable a una Carga no Restringida de Archivos de Tipo Peligrosos"}], "id": "CVE-2021-3846", "lastModified": "2026-06-17T04:05:53.110", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 0.3, "impactScore": 5.9, "source": "security@huntr.dev", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-10-19T13:15:11.567", "references": [{"source": "security@huntr.dev", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/firefly-iii/firefly-iii/commit/a85b6420c19ace35134f896e094e1971d8c7954b"}, {"source": "security@huntr.dev", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://huntr.dev/bounties/5267ec1c-d204-40d2-bd4f-6c2dd495ee18"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/firefly-iii/firefly-iii/commit/a85b6420c19ace35134f896e094e1971d8c7954b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://huntr.dev/bounties/5267ec1c-d204-40d2-bd4f-6c2dd495ee18"}], "sourceIdentifier": "security@huntr.dev", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-434"}], "source": "security@huntr.dev", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-434"}], "source": "nvd@nist.gov", "type": "Primary"}]}