CVE-2020-26130

Issues were discovered in Open TFTP Server multithreaded 1.66 and Open TFTP Server single port 1.66. Due to insufficient access restrictions in the default installation directory, an attacker can elevate privileges by replacing the OpenTFTPServerMT.exe or the OpenTFTPServerSP.exe binary.

CVSS v3 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/OffensiveOceloot/advisories/blob/main/CVE-2020-26130.md
https://github.com/an0ry/advisories	Exploit Third Party Advisory
https://sourceforge.net/projects/tftp-server/	Product

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:open_tftp_server_project:open_tftp_server:1.66::::mt:::
	cpe:2.3:a:open_tftp_server_project:open_tftp_server:1.66::::sp:::

History

27 Feb 2023, 15:15

Type	Values Removed	Values Added
References		(MISC) https://github.com/OffensiveOceloot/advisories/blob/main/CVE-2020-26130.md -
CWE	~~CWE-269~~	CWE-732

Information

Published : 2020-10-28 18:15

Updated : 2023-12-10 13:41

NVD link : CVE-2020-26130

Mitre link : CVE-2020-26130

CVE.ORG link : CVE-2020-26130

JSON object : View

Products Affected

open_tftp_server_project

open_tftp_server

CWE

CWE-732

Incorrect Permission Assignment for Critical Resource

{"id": "CVE-2020-26130", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2020-10-28T18:15:13.490", "references": [{"url": "https://github.com/OffensiveOceloot/advisories/blob/main/CVE-2020-26130.md", "source": "cve@mitre.org"}, {"url": "https://github.com/an0ry/advisories", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://sourceforge.net/projects/tftp-server/", "tags": ["Product"], "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-732"}]}], "descriptions": [{"lang": "en", "value": "Issues were discovered in Open TFTP Server multithreaded 1.66 and Open TFTP Server single port 1.66. Due to insufficient access restrictions in the default installation directory, an attacker can elevate privileges by replacing the OpenTFTPServerMT.exe or the OpenTFTPServerSP.exe binary."}, {"lang": "es", "value": "Se detectaron problemas en Open TFTP Server multiproceso versi\u00f3n 1.66 y Open TFTP Server single puerto versi\u00f3n 1.66. Debido a restricciones insuficientes de acceso en el directorio de instalaci\u00f3n predeterminado, un atacante puede escalar privilegios al reemplazar el binario OpenTFTPServerMT.exe o OpenTFTPServerSP.exe"}], "lastModified": "2023-02-27T15:15:10.753", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:open_tftp_server_project:open_tftp_server:1.66:*:*:*:mt:*:*:*", "vulnerable": true, "matchCriteriaId": "DD185A27-A743-41B6-95F2-2FE86ADFB844"}, {"criteria": "cpe:2.3:a:open_tftp_server_project:open_tftp_server:1.66:*:*:*:sp:*:*:*", "vulnerable": true, "matchCriteriaId": "08F77325-EF42-4D05-B6B7-1F5667AE6668"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}