CVE-2021-26557

{"containers": {"cna": {"affected": [{"product": "Octopus Tentacle", "vendor": "Octopus Deploy", "versions": [{"lessThan": "unspecified", "status": "affected", "version": "3.15.4", "versionType": "custom"}, {"lessThan": "6.0.489", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "When Octopus Tentacle is installed using a custom folder location, folder ACLs are not set correctly and could lead to an unprivileged user using DLL side-loading to gain privileged access."}], "problemTypes": [{"descriptions": [{"description": "Local privilege escalation in Octopus Tentacle (Windows)", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-10-07T01:00:13.000Z", "orgId": "6f4f8c89-ef06-4bae-a2a5-6734ddf76272", "shortName": "Octopus"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://advisories.octopus.com/adv/2021-02---Local-privilege-escalation-in-Octopus-Tentacle-%28CVE-2021-26557%29.1732870264.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@octopus.com", "ID": "CVE-2021-26557", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Octopus Tentacle", "version": {"version_data": [{"version_affected": ">=", "version_value": "3.15.4"}, {"version_affected": "<", "version_value": "6.0.489"}]}}]}, "vendor_name": "Octopus Deploy"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "When Octopus Tentacle is installed using a custom folder location, folder ACLs are not set correctly and could lead to an unprivileged user using DLL side-loading to gain privileged access."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Local privilege escalation in Octopus Tentacle (Windows)"}]}]}, "references": {"reference_data": [{"name": "https://advisories.octopus.com/adv/2021-02---Local-privilege-escalation-in-Octopus-Tentacle-(CVE-2021-26557).1732870264.html", "refsource": "MISC", "url": "https://advisories.octopus.com/adv/2021-02---Local-privilege-escalation-in-Octopus-Tentacle-(CVE-2021-26557).1732870264.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:26:25.487Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://advisories.octopus.com/adv/2021-02---Local-privilege-escalation-in-Octopus-Tentacle-%28CVE-2021-26557%29.1732870264.html"}]}]}, "cveMetadata": {"assignerOrgId": "6f4f8c89-ef06-4bae-a2a5-6734ddf76272", "assignerShortName": "Octopus", "cveId": "CVE-2021-26557", "datePublished": "2021-10-07T01:00:13.000Z", "dateReserved": "2021-02-02T00:00:00.000Z", "dateUpdated": "2024-08-03T20:26:25.487Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Octopus Tentacle", "vendor": "Octopus Deploy", "versions": [{"lessThan": "unspecified", "status": "affected", "version": "3.15.4", "versionType": "custom"}, {"lessThan": "6.0.489", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@octopus.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:octopus:tentacle:*:*:*:*:*:*:*:*", "matchCriteriaId": "3372434D-2593-49AE-B4A4-9DDD50BB09D8", "versionEndExcluding": "6.0.489", "versionStartIncluding": "3.15.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "When Octopus Tentacle is installed using a custom folder location, folder ACLs are not set correctly and could lead to an unprivileged user using DLL side-loading to gain privileged access."}, {"lang": "es", "value": "Cuando Octopus Tentacle se instala usando una ubicaci\u00f3n de carpeta personalizada, las ACL de carpeta no se establecen correctamente y podr\u00edan conllevar a que un usuario no privilegiado use una carga lateral de DLL para conseguir acceso privilegiado"}], "id": "CVE-2021-26557", "lastModified": "2026-06-17T03:43:28.350", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-10-07T01:15:07.057", "references": [{"source": "security@octopus.com", "url": "https://advisories.octopus.com/adv/2021-02---Local-privilege-escalation-in-Octopus-Tentacle-%28CVE-2021-26557%29.1732870264.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://advisories.octopus.com/adv/2021-02---Local-privilege-escalation-in-Octopus-Tentacle-%28CVE-2021-26557%29.1732870264.html"}], "sourceIdentifier": "security@octopus.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-426"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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