CVE-2021-20123
Vulnerability from cvelistv5
Published
2021-10-13 15:47
Modified
2024-09-03 16:20
Severity ?
EPSS score ?
Summary
A local file inclusion vulnerability exists in Draytek VigorConnect 1.6.0-B3 in the file download functionality of the DownloadFileServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges.
References
▼ | URL | Tags | |
---|---|---|---|
vulnreport@tenable.com | https://www.tenable.com/security/research/tra-2021-42 | Exploit, Third Party Advisory |
Impacted products
▼ | Vendor | Product |
---|---|---|
n/a | Draytek VigorConnect |
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog
Date added: 2024-09-03
Due date: 2024-09-24
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Used in ransomware: Unknown
Notes: https://www.draytek.com/about/security-advisory/vigorconnect-software-security-vulnerability-(cve-2021-20123-cve-2021-20129); https://nvd.nist.gov/vuln/detail/CVE-2021-20123
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-03T17:30:07.620Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://www.tenable.com/security/research/tra-2021-42" } ], "title": "CVE Program Container" }, { "affected": [ { "cpes": [ "cpe:2.3:a:draytek:vigorconnect:1.6.0:beta3:*:*:*:*:*:*" ], "defaultStatus": "unknown", "product": "vigorconnect", "vendor": "draytek", "versions": [ { "status": "affected", "version": "1.6.0" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1" } }, { "other": { "content": { "id": "CVE-2021-20123", "options": [ { "Exploitation": "active" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "timestamp": "2024-09-03T12:29:01.834786Z", "version": "2.0.3" }, "type": "ssvc" } }, { "other": { "content": { "dateAdded": "2024-09-03", "reference": "https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json" }, "type": "kev" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-22", "description": "CWE-22 Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2024-09-03T16:20:23.036Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "timeline": [ { "lang": "en", "time": "2024-09-03T00:00:00+00:00", "value": "CVE-2021-20123 added to CISA KEV" } ], "title": "CISA ADP Vulnrichment" } ], "cna": { "affected": [ { "product": "Draytek VigorConnect", "vendor": "n/a", "versions": [ { "status": "affected", "version": "1.6.0-B3" } ] } ], "descriptions": [ { "lang": "en", "value": "A local file inclusion vulnerability exists in Draytek VigorConnect 1.6.0-B3 in the file download functionality of the DownloadFileServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges." } ], "problemTypes": [ { "descriptions": [ { "description": "Path Traversal", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2021-10-13T15:47:58", "orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "shortName": "tenable" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://www.tenable.com/security/research/tra-2021-42" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "vulnreport@tenable.com", "ID": "CVE-2021-20123", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Draytek VigorConnect", "version": { "version_data": [ { "version_value": "1.6.0-B3" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "A local file inclusion vulnerability exists in Draytek VigorConnect 1.6.0-B3 in the file download functionality of the DownloadFileServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Path Traversal" } ] } ] }, "references": { "reference_data": [ { "name": "https://www.tenable.com/security/research/tra-2021-42", "refsource": "MISC", "url": "https://www.tenable.com/security/research/tra-2021-42" } ] } } } }, "cveMetadata": { "assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "assignerShortName": "tenable", "cveId": "CVE-2021-20123", "datePublished": "2021-10-13T15:47:58", "dateReserved": "2020-12-17T00:00:00", "dateUpdated": "2024-09-03T16:20:23.036Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "cisa_known_exploited": { "cveID": "CVE-2021-20123", "cwes": "[\"CWE-22\"]", "dateAdded": "2024-09-03", "dueDate": "2024-09-24", "knownRansomwareCampaignUse": "Unknown", "notes": "https://www.draytek.com/about/security-advisory/vigorconnect-software-security-vulnerability-(cve-2021-20123-cve-2021-20129); https://nvd.nist.gov/vuln/detail/CVE-2021-20123", "product": "VigorConnect", "requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.", "shortDescription": "Draytek VigorConnect contains a path traversal vulnerability in the DownloadFileServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges. ", "vendorProject": "DrayTek", "vulnerabilityName": "Draytek VigorConnect Path Traversal Vulnerability " }, "nvd": "{\"cve\":{\"id\":\"CVE-2021-20123\",\"sourceIdentifier\":\"vulnreport@tenable.com\",\"published\":\"2021-10-13T16:15:07.350\",\"lastModified\":\"2024-09-05T13:31:07.727\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"cisaExploitAdd\":\"2024-09-03\",\"cisaActionDue\":\"2024-09-24\",\"cisaRequiredAction\":\"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.\",\"cisaVulnerabilityName\":\"Draytek VigorConnect Path Traversal Vulnerability \",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A local file inclusion vulnerability exists in Draytek VigorConnect 1.6.0-B3 in the file download functionality of the DownloadFileServlet endpoint. An unauthenticated attacker could leverage this vulnerability to download arbitrary files from the underlying operating system with root privileges.\"},{\"lang\":\"es\",\"value\":\"Se presenta una vulnerabilidad de inclusi\u00f3n de archivos locales en Draytek VigorConnect versi\u00f3n 1.6.0-B3, en la funcionalidad file download del endpoint DownloadFileServlet. Un atacante no autenticado podr\u00eda aprovechar esta vulnerabilidad para descargar archivos arbitrarios del sistema operativo subyacente con privilegios de root\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:C/I:N/A:N\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\",\"baseScore\":7.8},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-22\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-22\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:draytek:vigorconnect:1.6.0:beta3:*:*:*:*:*:*\",\"matchCriteriaId\":\"CC518B3A-EDB0-434A-8CF5-026437FF5A13\"}]}]}],\"references\":[{\"url\":\"https://www.tenable.com/security/research/tra-2021-42\",\"source\":\"vulnreport@tenable.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]}]}}" } }
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.