Arbitrary file upload in Testlink
CVE-2020-8639
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.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.159 (96.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.159 · newest: 0.159 · change: 0.000
Affected products
- Testlink — versions 1.9.20
Weakness classification (CWE)
Public proof-of-concept exploits
References
- ackcent.com/blog/testlink-1.9.20-unrestricted-file-upload-and-sql-injection/ (Exploit, Patch, Third Party Advisory)
- github.com/TestLinkOpenSourceTRMS/testlink-code/commit/57d81ae350d569c5c9508799… (Patch, Third Party Advisory)
- packetstormsecurity.com/files/161401/TestLink-1.9.20-Shell-Upload.html (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-8639?
- CVE-2020-8639 is a high-severity vulnerability in Testlink, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2020-04-03.
- How severe is CVE-2020-8639?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-8639 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.