Action not permitted
Modal body text goes here.
ghsa-xphp-jrmh-9rjj
Vulnerability from github
Published
2022-05-24 17:44
Modified
2022-05-24 17:44
Severity ?
Details
Microsoft Windows Folder Redirection Elevation of Privilege Vulnerability
{ "affected": [], "aliases": [ "CVE-2021-26887" ], "database_specific": { "cwe_ids": [ "CWE-269", "CWE-59" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2021-03-11T16:15:00Z", "severity": "HIGH" }, "details": "Microsoft Windows Folder Redirection Elevation of Privilege Vulnerability", "id": "GHSA-xphp-jrmh-9rjj", "modified": "2022-05-24T17:44:21Z", "published": "2022-05-24T17:44:21Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26887" }, { "type": "WEB", "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26887" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" } ] }
cve-2021-26887
Vulnerability from cvelistv5
Published
2021-03-11 15:42
Modified
2024-11-19 16:07
Severity ?
EPSS score ?
Summary
Microsoft Windows Folder Redirection Elevation of Privilege Vulnerability
References
▼ | URL | Tags |
---|---|---|
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26887 | x_refsource_MISC |
Impacted products
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-03T20:33:41.285Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26887" } ], "title": "CVE Program Container" }, { "metrics": [ { "other": { "content": { "id": "CVE-2021-26887", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "timestamp": "2024-01-09T18:27:46.711163Z", "version": "2.0.3" }, "type": "ssvc" } } ], "providerMetadata": { "dateUpdated": "2024-11-19T16:07:28.981Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "title": "CISA ADP Vulnrichment" } ], "cna": { "affected": [ { "cpes": [], "platforms": [ "32-bit Systems", "ARM64-based Systems", "x64-based Systems" ], "product": "Windows 10 Version 2004", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [], "platforms": [ "x64-based Systems" ], "product": "Windows Server version 2004", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [], "platforms": [ "32-bit Systems", "ARM64-based Systems" ], "product": "Windows 10 Version 20H2", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [], "platforms": [ "x64-based Systems" ], "product": "Windows Server version 20H2", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [], "platforms": [ "32-bit Systems", "x64-based Systems", "ARM64-based Systems" ], "product": "Windows 10 Version 1803", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [], "platforms": [ "32-bit Systems", "x64-based Systems", "ARM64-based Systems" ], "product": "Windows 10 Version 1809", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [], "platforms": [ "x64-based Systems" ], "product": "Windows Server 2019", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [], "platforms": [ "x64-based Systems" ], "product": "Windows Server 2019 (Server Core installation)", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [], "platforms": [ "32-bit Systems", "x64-based Systems", "ARM64-based Systems" ], "product": "Windows 10 Version 1909", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [], "platforms": [ "x64-based Systems" ], "product": "Windows Server, version 1909 (Server Core installation)", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [], "platforms": [ "32-bit Systems", "x64-based Systems" ], "product": "Windows 10 Version 1507", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [], "platforms": [ "32-bit Systems", "x64-based Systems" ], "product": "Windows 10 Version 1607", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [], "platforms": [ "x64-based Systems" ], "product": "Windows Server 2016", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [], "platforms": [ "x64-based Systems" ], "product": "Windows Server 2016 (Server Core installation)", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [], "platforms": [ "32-bit Systems" ], "product": "Windows 7", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [], "platforms": [ "x64-based Systems" ], "product": "Windows 7 Service Pack 1", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [], "platforms": [ "32-bit Systems", "x64-based Systems", "ARM64-based Systems" ], "product": "Windows 8.1", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [], "platforms": [ "32-bit Systems" ], "product": "Windows Server 2008 Service Pack 2", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [], "platforms": [ "32-bit Systems", "x64-based Systems" ], "product": "Windows Server 2008 Service Pack 2 (Server Core installation)", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [], "platforms": [ "x64-based Systems" ], "product": "Windows Server 2008 Service Pack 2", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [], "platforms": [ "x64-based Systems" ], "product": "Windows Server 2008 R2 Service Pack 1", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [], "platforms": [ "x64-based Systems" ], "product": "Windows Server 2008 R2 Service Pack 1 (Server Core installation)", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [ "cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*" ], "platforms": [ "x64-based Systems" ], "product": "Windows Server 2012", "vendor": "Microsoft", "versions": [ { "lessThan": "publication", "status": "affected", "version": "6.2.0", "versionType": "custom" } ] }, { "cpes": [ "cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*" ], "platforms": [ "x64-based Systems" ], "product": "Windows Server 2012 (Server Core installation)", "vendor": "Microsoft", "versions": [ { "lessThan": "publication", "status": "affected", "version": "6.2.0", "versionType": "custom" } ] }, { "cpes": [], "platforms": [ "x64-based Systems" ], "product": "Windows Server 2012 R2", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] }, { "cpes": [], "platforms": [ "x64-based Systems" ], "product": "Windows Server 2012 R2 (Server Core installation)", "vendor": "Microsoft", "versions": [ { "status": "affected", "version": "N/A" } ] } ], "datePublic": "2021-03-09T08:00:00+00:00", "descriptions": [ { "lang": "en-US", "value": "\u003cp\u003eAn elevation of privilege vulnerability exists in Microsoft Windows when Folder redirection has been enabled via Group Policy. When folder redirection file server is co-located with Terminal server, an attacker who successfully exploited the vulnerability would be able to begin redirecting another user\u0027s personal data to a created folder.\u003c/p\u003e\n\u003cp\u003eTo exploit the vulnerability, an attacker can create a new folder under the Folder Redirection root path and create a junction on a newly created User folder. When the new user logs in, Folder Redirection would start redirecting to the folder and copying personal data.\u003c/p\u003e\n\u003cp\u003eThis elevation of privilege vulnerability can only be addressed by reconfiguring Folder Redirection with Offline files and restricting permissions, and NOT via a security update for affected Windows Servers. See the \u003cstrong\u003eFAQ\u003c/strong\u003e section of this CVE for configuration guidance.\u003c/p\u003e\n" } ], "metrics": [ { "cvssV3_1": { "baseScore": 7.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en-US", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "description": "Elevation of Privilege", "lang": "en-US", "type": "Impact" } ] } ], "providerMetadata": { "dateUpdated": "2023-12-29T20:09:12.476Z", "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26887" } ], "title": "Microsoft Windows Folder Redirection Elevation of Privilege Vulnerability" } }, "cveMetadata": { "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "assignerShortName": "microsoft", "cveId": "CVE-2021-26887", "datePublished": "2021-03-11T15:42:16", "dateReserved": "2021-02-08T00:00:00", "dateUpdated": "2024-11-19T16:07:28.981Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }
Loading…
Loading…
Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.