CVE-2020-26130 — HIGH (7.8)

Vulnerability Description

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 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Open Tftp Server Project	Open Tftp Server	1.66

Related Weaknesses (CWE)

CWE-732

References

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

FAQ

What is CVE-2020-26130?

CVE-2020-26130 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 elev...

How severe is CVE-2020-26130?

CVE-2020-26130 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-26130?

Check the references section above for vendor advisories and patch information. Affected products include: Open Tftp Server Project Open Tftp Server.