THREATPORT/VULNERABILITY/CVE-2020-23828
CRITICAL SEVERITY

CVE-2020-23828

Online Course Registration vulnerability

CVSS
9.8
EPSS
4.1%
EPSS pct
90th
Exploited
No known
A File Upload vulnerability in SourceCodester Online Course Registration v1.0 allows remote attackers to achieve Remote Code Execution (RCE) on the hosting webserver by uploading a crafted PHP web-shell that bypasses the image upload filters. An attack uses /Online%20Course%20Registration/my-profile.php with the POST parameter photo.
Affected vendor
Online Course Registration Project
Affected product
Online Course Registration
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-434 — Unrestricted Upload of File with Dangerous Type
Published
2020-09-15

Risk analysis

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

Its EPSS score of 4.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2020-23828

  • Confirm whether Online Course Registration Project Online Course Registration is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-23828.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-23828

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-23828 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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