THREATPORT/VULNERABILITY/CVE-2020-8639
HIGH SEVERITY

CVE-2020-8639

Testlink vulnerability

CVSS
8.8
EPSS
15.9%
EPSS pct
97th
Exploited
No known
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.
Affected vendor
Testlink
Affected product
Testlink
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-434 — Unrestricted Upload of File with Dangerous Type
Published
2020-04-03

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 15.9% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2020-8639

  • Confirm whether Testlink Testlink is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-8639.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-8639

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-8639 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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