CVE-2021-25927 - Vulnerability Details - OpenCVE

Prototype pollution vulnerability in 'safe-flat' versions 2.0.0 through 2.0.1 allows an attacker to cause a denial of service and may lead to remote code execution.

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 0.0323.

Exploitation poc

Automatable yes

Technical Impact total

Vendors	Products
Safe-flat Project	Safe-flat

Configuration 1 [-]

cpe:2.3:a:safe-flat_project:safe-flat:*:*:*:*:*:*:*:*

No data.

No data.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/jessie-codes/safe-flat/commit/4b9b7db976bba8c968354f4315f5f9c219b7cbf3
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25927

History

Wed, 30 Apr 2025 21:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: Mend

Published: 2021-04-26T10:54:42.000Z

Updated: 2025-04-30T20:23:08.316Z

Reserved: 2021-01-22T00:00:00.000Z

Link: CVE-2021-25927

Vulnrichment

Updated: 2024-08-03T20:11:28.474Z

NVD

Status : Modified

Published: 2021-04-26T11:15:08.217

Modified: 2025-04-30T21:15:49.103

Link: CVE-2021-25927

Redhat

No data.

OpenCVE Enrichment

No data.

{"containers": {"cna": {"affected": [{"product": "safe-flat", "vendor": "n/a", "versions": [{"status": "affected", "version": "2.0.0, 2.0.1"}]}], "descriptions": [{"lang": "en", "value": "Prototype pollution vulnerability in 'safe-flat' versions 2.0.0 through 2.0.1 allows an attacker to cause a denial of service and may lead to remote code execution."}], "problemTypes": [{"descriptions": [{"description": "Prototype Pollution", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-04-26T10:54:42.000Z", "orgId": "478c68dd-22c1-4a41-97cd-654224dfacff", "shortName": "Mend"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25927"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/jessie-codes/safe-flat/commit/4b9b7db976bba8c968354f4315f5f9c219b7cbf3"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vulnerabilitylab@whitesourcesoftware.com", "ID": "CVE-2021-25927", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "safe-flat", "version": {"version_data": [{"version_value": "2.0.0, 2.0.1"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Prototype pollution vulnerability in 'safe-flat' versions 2.0.0 through 2.0.1 allows an attacker to cause a denial of service and may lead to remote code execution."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Prototype Pollution"}]}]}, "references": {"reference_data": [{"name": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25927", "refsource": "MISC", "url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25927"}, {"name": "https://github.com/jessie-codes/safe-flat/commit/4b9b7db976bba8c968354f4315f5f9c219b7cbf3", "refsource": "MISC", "url": "https://github.com/jessie-codes/safe-flat/commit/4b9b7db976bba8c968354f4315f5f9c219b7cbf3"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:11:28.474Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25927"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/jessie-codes/safe-flat/commit/4b9b7db976bba8c968354f4315f5f9c219b7cbf3"}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-1321", "lang": "en", "description": "CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-04-30T18:38:32.481831Z", "id": "CVE-2021-25927", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-30T20:23:08.316Z"}}]}, "cveMetadata": {"assignerOrgId": "478c68dd-22c1-4a41-97cd-654224dfacff", "assignerShortName": "Mend", "cveId": "CVE-2021-25927", "datePublished": "2021-04-26T10:54:42.000Z", "dateReserved": "2021-01-22T00:00:00.000Z", "dateUpdated": "2025-04-30T20:23:08.316Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25927", "tags": ["x_refsource_MISC", "x_transferred"]}, {"url": "https://github.com/jessie-codes/safe-flat/commit/4b9b7db976bba8c968354f4315f5f9c219b7cbf3", "tags": ["x_refsource_MISC", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:11:28.474Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2021-25927", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-04-30T18:38:32.481831Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-1321", "description": "CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-30T18:38:47.021Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "safe-flat", "versions": [{"status": "affected", "version": "2.0.0, 2.0.1"}]}], "references": [{"url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25927", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/jessie-codes/safe-flat/commit/4b9b7db976bba8c968354f4315f5f9c219b7cbf3", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Prototype pollution vulnerability in 'safe-flat' versions 2.0.0 through 2.0.1 allows an attacker to cause a denial of service and may lead to remote code execution."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "Prototype Pollution"}]}], "providerMetadata": {"orgId": "478c68dd-22c1-4a41-97cd-654224dfacff", "shortName": "Mend", "dateUpdated": "2021-04-26T10:54:42.000Z"}, "x_legacyV4Record": {"affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "2.0.0, 2.0.1"}]}, "product_name": "safe-flat"}]}, "vendor_name": "n/a"}]}}, "data_type": "CVE", "references": {"reference_data": [{"url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25927", "name": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25927", "refsource": "MISC"}, {"url": "https://github.com/jessie-codes/safe-flat/commit/4b9b7db976bba8c968354f4315f5f9c219b7cbf3", "name": "https://github.com/jessie-codes/safe-flat/commit/4b9b7db976bba8c968354f4315f5f9c219b7cbf3", "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "Prototype pollution vulnerability in 'safe-flat' versions 2.0.0 through 2.0.1 allows an attacker to cause a denial of service and may lead to remote code execution."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Prototype Pollution"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-25927", "STATE": "PUBLIC", "ASSIGNER": "vulnerabilitylab@whitesourcesoftware.com"}}}}, "cveMetadata": {"cveId": "CVE-2021-25927", "state": "PUBLISHED", "dateUpdated": "2025-04-30T20:23:08.316Z", "dateReserved": "2021-01-22T00:00:00.000Z", "assignerOrgId": "478c68dd-22c1-4a41-97cd-654224dfacff", "datePublished": "2021-04-26T10:54:42.000Z", "assignerShortName": "Mend"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:safe-flat_project:safe-flat:*:*:*:*:*:*:*:*", "matchCriteriaId": "718F6E67-8807-40B0-8827-08A5A7F0EDAA", "versionEndExcluding": "2.0.2", "versionStartIncluding": "2.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Prototype pollution vulnerability in 'safe-flat' versions 2.0.0 through 2.0.1 allows an attacker to cause a denial of service and may lead to remote code execution."}, {"lang": "es", "value": "Una vulnerabilidad de Prototype pollution en \"safe-flat\" versiones 2.0.0 hasta 2.0.1, permite a un atacante causar una denegaci\u00f3n de servicio y puede conllevar a una ejecuci\u00f3n de c\u00f3digo remota"}], "id": "CVE-2021-25927", "lastModified": "2025-04-30T21:15:49.103", "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"}, {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2021-04-26T11:15:08.217", "references": [{"source": "vulnerabilitylab@mend.io", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/jessie-codes/safe-flat/commit/4b9b7db976bba8c968354f4315f5f9c219b7cbf3"}, {"source": "vulnerabilitylab@mend.io", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25927"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/jessie-codes/safe-flat/commit/4b9b7db976bba8c968354f4315f5f9c219b7cbf3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25927"}], "sourceIdentifier": "vulnerabilitylab@mend.io", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1321"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-1321"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}