CVE-2021-39274

View on CVE.org

Published Aug 19, 2021 CVSS 3.1 · 9.8 Critical EPSS 3.1% KEV · Not listed

Description

In XeroSecurity Sn1per 9.0 (free version), insecure directory permissions (0777) are set during installation, allowing an unprivileged user to modify the main application and the application configuration file. This results in arbitrary code execution with root privileges.

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

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:xerosecurity:sn1per:9.0:*:*:*:*:*:*:*

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-2021-25636	In XeroSecurity Sn1per 9.0 (free version), insecure directory permissions (0777) are set during installation, allowing an unprivileged user to modify the main application and the application configuration file. This results in arbitrary code execution with root privileges.

Metrics

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 Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

Exploit prediction score: 3.1% (3.123% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/1N3/Sn1per/issues/357
https://github.com/1N3/Sn1per/releases
https://github.com/nikip72/CVE-2021-39273-CVE-2021-39274

History

No history.

Subscriptions

Xerosecurity Sn1per

Weaknesses

CWE-276

Sources

CVE record Updated: Aug 4, 2024, 2:06 AM

Status: PUBLISHED
Assigner: mitre
Published: Aug 19, 2021, 11:59 AM
Updated: Aug 4, 2024, 2:06 AM
Reserved: Aug 18, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:03 AM

Status: Modified
Published: Aug 19, 2021, 12:15 PM
Modified: Jun 17, 2026, 4:03 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "In XeroSecurity Sn1per 9.0 (free version), insecure directory permissions (0777) are set during installation, allowing an unprivileged user to modify the main application and the application configuration file. This results in arbitrary code execution with root privileges."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-08-19T12:03:54.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/1N3/Sn1per/releases"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/nikip72/CVE-2021-39273-CVE-2021-39274"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/1N3/Sn1per/issues/357"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-39274", "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": "In XeroSecurity Sn1per 9.0 (free version), insecure directory permissions (0777) are set during installation, allowing an unprivileged user to modify the main application and the application configuration file. This results in arbitrary code execution with root privileges."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/1N3/Sn1per/releases", "refsource": "MISC", "url": "https://github.com/1N3/Sn1per/releases"}, {"name": "https://github.com/nikip72/CVE-2021-39273-CVE-2021-39274", "refsource": "MISC", "url": "https://github.com/nikip72/CVE-2021-39273-CVE-2021-39274"}, {"name": "https://github.com/1N3/Sn1per/issues/357", "refsource": "MISC", "url": "https://github.com/1N3/Sn1per/issues/357"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T02:06:41.598Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/1N3/Sn1per/releases"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/nikip72/CVE-2021-39273-CVE-2021-39274"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/1N3/Sn1per/issues/357"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-39274", "datePublished": "2021-08-19T11:59:08.000Z", "dateReserved": "2021-08-18T00:00:00.000Z", "dateUpdated": "2024-08-04T02:06:41.598Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:xerosecurity:sn1per:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "9638366D-4D22-4DED-9BCB-58322CA6B205", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In XeroSecurity Sn1per 9.0 (free version), insecure directory permissions (0777) are set during installation, allowing an unprivileged user to modify the main application and the application configuration file. This results in arbitrary code execution with root privileges."}, {"lang": "es", "value": "En XeroSecurity Sn1per versi\u00f3n 9.0 (versi\u00f3n gratuita), se establecen permisos de directorio no seguros (0777) durante la instalaci\u00f3n, permitiendo a un usuario no privilegiado modificar la aplicaci\u00f3n principal y el archivo de configuraci\u00f3n de la aplicaci\u00f3n. Esto resulta en una ejecuci\u00f3n de c\u00f3digo arbitrario con privilegios de root."}], "id": "CVE-2021-39274", "lastModified": "2026-06-17T04:03:27.190", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "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": "2021-08-19T12:15:09.487", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/1N3/Sn1per/issues/357"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/1N3/Sn1per/releases"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/nikip72/CVE-2021-39273-CVE-2021-39274"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/1N3/Sn1per/issues/357"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/1N3/Sn1per/releases"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/nikip72/CVE-2021-39273-CVE-2021-39274"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-276"}], "source": "nvd@nist.gov", "type": "Primary"}]}