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Fencer Intel
critical 9.8

CVE-2018-20062 kev in the critical feed json

An issue was discovered in NoneCms V1.3.

published 7y ago modified 4mo ago also EUVD-2018-12637

cvss
9.8
version 3.1, CNA
cisa kev
Exploited
added 2021-11-03
epss
99.5%
EPSS 99.5% chance of exploitation in 30 days, percentile 99.9%
public exploits
2
Metasploit and Exploit-DB, plus a Nuclei check

Summary

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.

Patch / fix

cisa required action Apply updates per vendor instructions.

Is CVE-2018-20062 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Timeline

  1. First public exploit (Metasploit exploit/unix/webapp/thinkphp_rce)
  2. Published
  3. Added to CISA KEV
  4. CISA patch deadline
  5. CISA SSVC: exploitation active

Known exploited

Added
5y ago
Patch by
2022-05-03 (4y ago)
Ransomware
Not known
Required action
Apply updates per vendor instructions.
Vendor, product
ThinkPHP, noneCms
CISA name
ThinkPHP "noneCms" Remote Code Execution Vulnerability

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
yes
Technical impact
total
Assessed
last yr.

Exploit prediction

99.53% chance of exploitation in the next 30 days, higher than 99.9% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Metasploit exploit/unix/webapp/thinkphp_rce ThinkPHP Multiple PHP Injection RCEs metasploit exploit, excellent rank, 2018-12-10
  • EDB-48333 ThinkPHP - Multiple PHP Injection RCEs (Metasploit) remote, 2020-04-16
  • Nuclei template ThinkPHP 5.0.23 - Remote Code Execution nuclei detection template
  • github.com https://github.com/nangge/noneCms/issues/21 referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/157218/ThinkPHP-5.0.23-Remote-Code-Execution.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.