Actively exploited · Published Dec 11, 2018 · Assigned by mitre
CVE-2018-20062
Critical 9.8 Exploited
In plain English
A critical-severity security flaw in noneCms from ThinkPHP. Attackers are actively exploiting it in the wild (listed by CISA on November 3, 2021). The chance it is exploited in the next 30 days is estimated at 99.5% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, Nuclei, public proof-of-concept code. Apply updates per vendor instructions.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by May 3, 2022.
Official description
An issue was discovered in NoneCms V1.3. thinkphp/library/think/App.php allows remote attackers to execute arbitrary PHP code via crafted use of the filter parameter, as demonstrated by the s=index/\think\Request/input&filter=phpinfo&data=1 query string.
Affected products (as reported)
References
- https://github.com/nangge/noneCms/issues/21 x_refsource_MISC
- http://packetstormsecurity.com/files/157218/ThinkPHP-5.0.23-Remote-Code-Execution.html x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-20062 government-resource