CVE-2018-20062
An issue was discovered in NoneCms V1.3. thinkphp/library/think/App.php allows remote attackers to execute arbitrary PHP code via crafted…
- 9.8CriticalCVSS base score
- 99.5%Exploitation in 30 daysEPSS · top 0.1% of all CVEs
- YesKnown exploitedin CISA's KEV since 3 Nov 2021
- 3Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as ThinkPHP "noneCms" Remote Code Execution Vulnerability.
- Added
- 3 Nov 2021
- Fix due (US federal)
- 3 May 2022
- Used by ransomware
- Not known
Apply updates per vendor instructions.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 3 Nov 2021.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module, a Nuclei template and an Exploit-DB entry for it. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits3
Metasploit modules1 module
- ThinkPHP Multiple PHP Injection RCEs (Metasploit module) (opens in a new tab)
exploit/unix/webapp/thinkphp_rceRank excellentdisclosed 10 Dec 2018
Nuclei templates1 template
- ThinkPHP 5.0.23 - Remote Code Execution (Nuclei template) (opens in a new tab)
http/cves/2018/CVE-2018-20062.yamlSeverity critical
Exploit-DB1 entry
- ThinkPHP - Multiple PHP Injection RCEs (Metasploit) (Exploit-DB entry) (opens in a new tab)
EDB-ID 48333remote, linuxpublished 16 Apr 2020Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
Published
- 3 years later
· 3 years later
Added to CISA KEV
Known exploited in the wild
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 99.5% · top 0.1% of all CVEs (11 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
n/a
- affected n/a
References
3
- https://github.com/nangge/noneCms/issues/21 (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/157218/ThinkPHP-5.0.23-Remote-Code-Execution.html (opens in a new tab)x_refsource_MISCx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-20062 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-12637 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-20062)Record last updated .