CVE-2020-8639

HIGH EPSS 96.5%
Published Apr 3, 20206y ago · Modified Jun 17, 20262w ago
8.8 CVSS 3.1
High
Find Similar
Published Apr 3, 2020 6y ago
Last Modified Jun 17, 2026 2w ago

Description

An unrestricted file upload vulnerability in keywordsImport.php in TestLink 1.9.20 allows remote attackers to execute arbitrary code by uploading a file with an executable extension. This allows an authenticated attacker to upload a malicious file (containing PHP code to execute operating system commands) to a publicly accessible directory of the application.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
96.5% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-434 Unrestricted Upload of File with Dangerous Type Resource Mgmt

Affected Products 1

VendorProductVersionRange
testlinktestlink1.9.20any

References 3

  • packetstormsecurity.com http://packetstormsecurity.com/files/161401/TestLink-1.9.20-Shell-Upload.html
    ExploitThird Party AdvisoryVDB Entry
  • ackcent.com https://ackcent.com/blog/testlink-1.9.20-unrestricted-file-upload-and-sql-injection/
    ExploitPatchThird Party Advisory
  • github.com https://github.com/TestLinkOpenSourceTRMS/testlink-code/commit/57d81ae350d569c5c95087997fe051c49e14516d
    PatchThird Party Advisory

Remediation

  • ackcent.com https://ackcent.com/blog/testlink-1.9.20-unrestricted-file-upload-and-sql-injection/
    ExploitPatchThird Party Advisory
  • github.com https://github.com/TestLinkOpenSourceTRMS/testlink-code/commit/57d81ae350d569c5c95087997fe051c49e14516d
    PatchThird Party Advisory