CVE-2020-8639

Public Exploit

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 9.60% Top 10%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory ackcent.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://ackcent.com/blog/testlink-1.9.20-unrestricted-file-upload-and-sql-injection/ patch third party advisory exploit
https://github.com/TestLinkOpenSourceTRMS/testlink-code/commit/57d81ae350d569c5c95087997fe051c49e14516d third party advisory patch
http://packetstormsecurity.com/files/161401/TestLink-1.9.20-Shell-Upload.html third party advisory vdb entry exploit

Frequently Asked Questions

What is the severity of CVE-2020-8639?
CVE-2020-8639 has been scored as a high severity vulnerability.
How to fix CVE-2020-8639?
To fix CVE-2020-8639, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-8639 being actively exploited in the wild?
It is possible that CVE-2020-8639 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~10% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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