CVE-2018-20062: ThinkPHP "noneCms" Remote Code Execution Vulnerability

CVE-2018-20062 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2021-11-03

NoneCms V1.3, which utilizes ThinkPHP, contains a remote code execution vulnerability in thinkphp/library/think/App.php. Attackers can execute arbitrary PHP code by supplying a crafted filter parameter in a query string.

Quick answers

Is CVE-2018-20062 exploited in the wild?
Yes. CVE-2018-20062 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2018-20062?
Critical severity, with a CVSS score of 9.8, published 3 November 2021.
Which products and versions are affected?
5none noneCms 1.3.0; ThinkPHP ThinkPHP 5.0.23.
Is there a fix for CVE-2018-20062?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2018-20062 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2018-20062?
Check whether you run Thinkphp Nonecms. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • 5none noneCms 1.3.0
  • ThinkPHP ThinkPHP 5.0.23

Timeline

  • 2018-12-11: disclosed: NVD Published Date
  • 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2021-11-03: exploited: Reported as exploited in the wild per CISA KEV entry

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