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CVE-2018-20062 (GCVE-0-2018-20062)

Vulnerability from cvelistv5 – Published: 2018-12-11 18:00 – Updated: 2025-10-21 23:45
VLAI CISA Shadowserver Previdian
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.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-04 20:37 UTC
CWE
Assigner
References
Date Public
2018-12-11 00:00
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 5898a40a-05a3-4001-a745-62a9c10bed54

Vulnerability ID: CVE-2018-20062

Status: Confirmed

Status Updated: 2021-11-03 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2021-11-03
Asserted: 2021-11-03
Scope
Notes: KEV entry: ThinkPHP "noneCms" Remote Code Execution Vulnerability | Affected: ThinkPHP / noneCms | Description: ThinkPHP "noneCms" contains an unspecified vulnerability that allows for remote code execution through crafted use of the filter parameter. | Required action: Apply updates per vendor instructions. | Due date: 2022-05-03 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2018-20062
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-20
Feed CISA Known Exploited Vulnerabilities Catalog
Product noneCms
Due Date 2022-05-03
Date Added 2021-11-03
Vendorproject ThinkPHP
Vulnerabilityname ThinkPHP "noneCms" Remote Code Execution Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 13:26 UTC | Updated: 2026-02-06 07:53 UTC
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 3820ef2e-2c2a-4bc6-bcfe-421cfb010f7c

Vulnerability ID: CVE-2018-20062

Status: Confirmed

Status Updated: 2024-08-21 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2023-10-15
Asserted: 2023-10-15
Last Seen: 2024-08-21
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: TopThink / ThinkPHP5 | Class: web-app-framework | IoT: no | In CISA KEV: yes | Honeypot connections on 2024-08-21: 1
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot no
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class web-app-framework
7D Avg 0
Vendor TopThink
30D Avg 0
90D Avg 0
Product ThinkPHP5
Cisa Kev yes
Connections 1
Observation Date 2024-08-21
Vulnerability Class None
Vulnerability Score None
Vulnerability Severity None
References
Created: 2026-07-01 07:18 UTC | Updated: 2026-07-01 13:15 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: b3a2733e-6594-4d6a-bdf3-178ca0c2b7ce

Vulnerability ID: CVE-2018-20062

Status: Confirmed

Status Updated: 2021-11-03 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2021-11-03
Asserted: 2021-11-03
Scope
Notes: KEVIntel entry: 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... | Affected: NoneCms / NoneCms | CVSS: 9.8 (CRITICAL) | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title 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...
Vendor NoneCms
Product NoneCms
Added Date 2021-11-03T00:00:00.000Z
Cvss Score 9.8
Epss Score None
Cvss Severity CRITICAL
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 11:13 UTC | Updated: 2026-06-23 11:13 UTC
Show details on NVD website
To clipboard 

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                  "value": "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\u0026filter=phpinfo\u0026data=1 query string."
                }
              ]
            },
            "problemtype": {
              "problemtype_data": [
                {
                  "description": [
                    {
                      "lang": "eng",
                      "value": "n/a"
                    }
                  ]
                }
              ]
            },
            "references": {
              "reference_data": [
                {
                  "name": "https://github.com/nangge/noneCms/issues/21",
                  "refsource": "MISC",
                  "url": "https://github.com/nangge/noneCms/issues/21"
                },
                {
                  "name": "http://packetstormsecurity.com/files/157218/ThinkPHP-5.0.23-Remote-Code-Execution.html",
                  "refsource": "MISC",
                  "url": "http://packetstormsecurity.com/files/157218/ThinkPHP-5.0.23-Remote-Code-Execution.html"
                }
              ]
            }
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "assignerShortName": "mitre",
        "cveId": "CVE-2018-20062",
        "datePublished": "2018-12-11T18:00:00.000Z",
        "dateReserved": "2018-12-11T00:00:00.000Z",
        "dateUpdated": "2025-10-21T23:45:46.278Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.