KEV Intelligence

Vulnerability report

Active exploitation observed Confirmed confidence In CISA KEV

CVE-2018-20062

NoneCms

NoneCms / NoneCms

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Severity
CVSS 9.8 · Critical
Confidence
Confirmed
Exploit status
Observed in sensors
EPSS
99.5%
First observed
05 Jul 2026
Last observed
19 Aug 2026

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2018-20062 is an unauthenticated vulnerability affecting NoneCms NoneCms. An issue was discovered in NoneCms V1.3. thinkphp/library/think/App.php allows remote attackers to execute arbitrary PHP code via crafted...

Is it exploited?

Yes. KEV Intelligence sensors observed exploitation attempts with confirmed confidence.

Who is affected?

NoneCms / NoneCms.

What should we do?

Patch immediately, validate internet-facing exposure, and monitor for matching requests.

Overview

An issue was discovered in NoneCms V1.3

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.

Published
11 Dec 2018
Exploitation Reported
03 Nov 2021
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
None

Tags

metasploit nuclei_scanner php cisa

CVE References

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 03 Nov 2021

Independent exploitation attestation added to the KEV Intelligence record.

Active exploitation observed

KEV Intelligence sensor

First observed 05 Jul 2026

First-party sensor telemetry confirms matching exploitation attempts.

Proof of concept available

GitHub

Recorded 07 Nov 2022

Public scanner or PoC coverage increases practical exploitability.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

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Source Added
CISA First 2021-11-03 00:00 UTC
KEV Intelligence 2026-08-04 09:26 UTC

Operational indicators for this CVE are listed under Detection.

Sensor telemetry

First-party evidence of exploitation activity

Aggregate observations show the scale, recency, and distribution of activity without overstating sparse data.

2,622

Attempts observed

353

Unique attacker IPs

47

Attacker countries

AE · AR · AU · BD · BE · BG · BR · CA · CH · CN · DE · DO · ES · FI · FR · GB · HK · ID · IN · IR · JP · KR · KZ · LU · LV · LY · MW · NL · NP · PA · PK · PL · PT · RS · RU · SA · SC · SE · SG · TH · TR · TW · UA · US · UZ · VN · ZM

35

Sensors observed

Exploitation attempts over the last 47 days

Daily events observed by KEV Intelligence sensors

Updated 19 Aug 2026

0
52
83
94
93
80
80
86
60
70
78
82
58
72
70
88
98
98
94
54
65
56
72
73
33
34
72
95
82
116
96
89
108
85
244
110
114
67
82
126
100
128
74
70
73
50
30
4 Jul 14 Jul 24 Jul 3 Aug 19 Aug

First observed 05 Jul 2026 · Last observed 19 Aug 2026

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Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets
20
User-Agents
13

Raw values available in Pro and Enterprise.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

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Attacker IP Indicators

Attacker IP indicators observed · available in Pro and Enterprise.

Sensor-derived attacker IP indicators are available to Pro and Enterprise accounts under Detection and through the Pro API.

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Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner Reference Detected
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2018/CVE-2018-20062.yaml 02 Jun 2025
Metasploit https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/webapp/thinkphp_rce.rb 28 Apr 2025

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

99.5%

All CVSS Scores

CVSS v3.1 9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 7.5 High

AV:N/AC:L/Au:N/C:P/I:P/A:P

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

ThinkPHP 5.0.23 - Remote Code Execution

nuclei · Created Unknown

Timeline

From disclosure to observed exploitation

  1. Observed by KEV Intelligence sensors

    Evidence-backed exploitation signal

  2. Indicators of compromise added (485)

    Indicators of compromise recorded

  3. Public PoC available

    Public proof-of-concept code published

  4. Nuclei template available

    Scanner coverage available

  5. Metasploit module available

    Exploit module available

  6. Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  7. CVE published

    Vulnerability disclosed publicly

  8. CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2018-20062

Free JSON includes basic KEV fields 
{
  "cve_id": "CVE-2018-20062",
  "confidence": "Confirmed",
  "cvss_score": 9.8,
  "cvss_estimated": false,
  "epss_score": 0.9953,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": true
  },
  "sensor_telemetry": { "attempts": 2622, "sensors": 35 }
}

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