CVE-2018-20062
ThinkPHP "noneCms" Remote Code Execution Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 99.53% probability · 100th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 16 April 2020
- CISA KEV
- Listed 3 November 2021 · due 3 May 2022
- Affected
- 5none/nonecms
- Source
- cve@mitre.org
EPSS 99.5% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2018-20062
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/157218/ThinkPHP-5.0.23-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://github.com/nangge/noneCms/issues/21Exploit, Third Party Advisory
- http://packetstormsecurity.com/files/157218/ThinkPHP-5.0.23-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://github.com/nangge/noneCms/issues/21Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-20062US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.