CVE-2020-8639 EXPLOIT
8.8
HIGH · CVSS 3.1 · EPSS 15.9% (pctl 97)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 8.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 15.86% — more likely to be exploited than 97% of all CVEs |
| Weakness | CWE-434 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2020-04-03 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| testlink | testlink |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | TestLink 1.9.20 - Unrestricted File Upload (Authenticated) | 2021-02-15 |
References
- http://packetstormsecurity.com/files/161401/TestLink-1.9.20-Shell-Upload.html
- https://ackcent.com/blog/testlink-1.9.20-unrestricted-file-upload-and-sql-injection/
- https://github.com/TestLinkOpenSourceTRMS/testlink-code/commit/57d81ae350d569c5c95087997fe051c49e14516d
- http://packetstormsecurity.com/files/161401/TestLink-1.9.20-Shell-Upload.html
- https://ackcent.com/blog/testlink-1.9.20-unrestricted-file-upload-and-sql-injection/
- https://github.com/TestLinkOpenSourceTRMS/testlink-code/commit/57d81ae350d569c5c95087997fe051c49e14516d
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