Vulnerability Detail Examples · Example 4 of 7 in Well-Known CVEs

Log4Shell (CVE-2021-44228)

GEThttps://api.deepinfo.com/v1/discovery/vulnerability-detail

Log4Shell, with CVSS v3.1 10.0, four CWEs, a CISA KEV entry with known ransomware use and an EPSS score of 0.99999.

Param: cve
CVE: CVE-2021-44228

Asks for CVE-2021-44228, the Apache Log4j2 JNDI lookup flaw.

What to Notice

metrics.cvss_metric_v31 has the maximum score, 10.0, with scope CHANGED.
weaknesses lists CWE-20, CWE-400, CWE-502 and CWE-917; enrichment.cwe adds each CWE's name and description and, where the CWE catalog has them, its OWASP Top 10 category and CAPEC patterns.
enrichment.epss_score.epss is 0.99999, and enrichment.cisa_kev.date_added is 2021-12-10, the day the CVE was published.
enrichment.cpe starts with Siemens firmware: the record lists the affected products of other vendors too, not only Log4j itself.

Request

curl

curl 'https://api.deepinfo.com/v1/discovery/vulnerability-detail?cve=CVE-2021-44228' \
  -H 'apikey: YOUR_API_KEY' \
  -H 'Accept: application/json'

Python

import requests

url = "https://api.deepinfo.com/v1/discovery/vulnerability-detail"

params = {
    "cve": "CVE-2021-44228"
}

headers = {
    "apikey": "YOUR_API_KEY",
    "Accept": "application/json"
}

response = requests.get(url, params=params, headers=headers)
response.raise_for_status()
print(response.json())

JavaScript

const url = "https://api.deepinfo.com/v1/discovery/vulnerability-detail?cve=CVE-2021-44228";

const response = await fetch(url, {
  method: "GET",
  headers: {
    "apikey": "YOUR_API_KEY",
    "Accept": "application/json"
  },
});

const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	req, err := http.NewRequest("GET", "https://api.deepinfo.com/v1/discovery/vulnerability-detail?cve=CVE-2021-44228", nil)
	if err != nil {
		panic(err)
	}
	req.Header.Set("apikey", "YOUR_API_KEY")
	req.Header.Set("Accept", "application/json")

	res, err := http.DefaultClient.Do(req)
	if err != nil {
		panic(err)
	}
	defer res.Body.Close()

	body, err := io.ReadAll(res.Body)
	if err != nil {
		panic(err)
	}
	fmt.Println(string(body))
}

Java

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class Main {
    public static void main(String[] args) throws Exception {
        HttpRequest request = HttpRequest.newBuilder()
            .uri(URI.create("https://api.deepinfo.com/v1/discovery/vulnerability-detail?cve=CVE-2021-44228"))
            .header("apikey", "YOUR_API_KEY")
            .header("Accept", "application/json")
            .GET()
            .build();

        HttpResponse<String> response = HttpClient.newHttpClient()
            .send(request, HttpResponse.BodyHandlers.ofString());

        System.out.println(response.body());
    }
}

using System;
using System.Net.Http;

using var client = new HttpClient();

var request = new HttpRequestMessage(HttpMethod.Get, "https://api.deepinfo.com/v1/discovery/vulnerability-detail?cve=CVE-2021-44228");
request.Headers.Add("apikey", "YOUR_API_KEY");
request.Headers.Add("Accept", "application/json");

using var response = await client.SendAsync(request);
Console.WriteLine(await response.Content.ReadAsStringAsync());

PHP

<?php

$curl = curl_init();

curl_setopt_array($curl, [
    CURLOPT_URL => 'https://api.deepinfo.com/v1/discovery/vulnerability-detail?cve=CVE-2021-44228',
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => [
        'apikey: YOUR_API_KEY',
        'Accept: application/json',
    ],
]);

$response = curl_exec($curl);

if ($response === false) {
    throw new RuntimeException(curl_error($curl));
}

echo $response . PHP_EOL;

Ruby

require 'net/http'
require 'uri'

uri = URI('https://api.deepinfo.com/v1/discovery/vulnerability-detail?cve=CVE-2021-44228')

request = Net::HTTP::Get.new(uri)
request['apikey'] = 'YOUR_API_KEY'
request['Accept'] = 'application/json'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: uri.scheme == 'https') do |http|
  http.request(request)
end

puts response.body

Response

200 OK · application/json

Shortened for this page: references: 10 of 103 shown; configurations: 10 of 20 shown; configurations[].nodes[].cpe_match: first 10 items; enrichment.cpe: first 10 items; enrichment.cwe[].capec_id: first 10 items

Response Body

{
  "id": "CVE-2021-44228",
  "source_identifier": "user@apache.org",
  "published": "2021-12-10T10:15:09Z",
  "last_modified": "2026-08-11T19:33:44Z",
  "status": "Analyzed",
  "evaluator_comment": null,
  "evaluator_solution": null,
  "evaluator_impact": null,
  "cisa_exploit_add": "2021-12-10",
  "cisa_action_due": "2021-12-24",
  "cisa_required_action": "For all affected software assets for which updates exist, the only acceptable remediation actions are: 1) Apply updates; OR 2) remove affected assets from agency networks. Temporary mitigations using one of the measures provided at https://www.cisa.gov/uscert/ed-22-02-apache-log4j-recommended-mitigation-measures are only acceptable until updates are available.",
  "cisa_vulnerability_name": "Apache Log4j2 Remote Code Execution Vulnerability",
  "descriptions": [
    {
      "lang": "en",
      "value": "Apache Log4j2 2.0-beta9 through 2.15.0 (excluding security releases 2.12.2, 2.12.3, and 2.3.1) JNDI features used in configuration, log messages, and parameters do not protect against attacker controlled LDAP and other JNDI related endpoints. An attacker who can control log messages or log message parameters can execute arbitrary code loaded from LDAP servers when message lookup substitution is enabled. From log4j 2.15.0, this behavior has been disabled by default. From version 2.16.0 (along with 2.12.2, 2.12.3, and 2.3.1), this functionality has been completely removed. Note that this vulnerability is specific to log4j-core and does not affect log4net, log4cxx, or other Apache Logging Services projects."
    },
    {
      "lang": "es",
      "value": "Las características JNDI de Apache Log4j2 2.0-beta9 hasta 2.15.0 (excluyendo las versiones de seguridad 2.12.2, 2.12.3 y 2.3.1) utilizadas en la configuración, los mensajes de registro y los parámetros no protegen contra LDAP controlado por un atacante y otros puntos finales relacionados con JNDI. Un atacante que pueda controlar los mensajes de registro o los parámetros de los mensajes de registro puede ejecutar código arbitrario cargado desde servidores LDAP cuando la sustitución de la búsqueda de mensajes está habilitada. A partir de la versión 2.15.0 de log4j, este comportamiento ha sido deshabilitado por defecto. A partir de la versión 2.16.0 (junto con las versiones 2.12.2, 2.12.3 y 2.3.1), esta funcionalidad se ha eliminado por completo. Tenga en cuenta que esta vulnerabilidad es específica de log4j-core y no afecta a log4net, log4cxx u otros proyectos de Apache Logging Services"
    }
  ],
  "references": [
    {
      "url": "http://packetstormsecurity.com/files/165225/Apache-Log4j2-2.14.1-Remote-Code-Execution.html",
      "source": "user@apache.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://packetstormsecurity.com/files/165260/VMware-Security-Advisory-2021-0028.html",
      "source": "user@apache.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://packetstormsecurity.com/files/165261/Apache-Log4j2-2.14.1-Information-Disclosure.html",
      "source": "user@apache.org",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://packetstormsecurity.com/files/165270/Apache-Log4j2-2.14.1-Remote-Code-Execution.html",
      "source": "user@apache.org",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://packetstormsecurity.com/files/165281/Log4j2-Log4Shell-Regexes.html",
      "source": "user@apache.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://packetstormsecurity.com/files/165282/Log4j-Payload-Generator.html",
      "source": "user@apache.org",
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        "VDB Entry"
      ]
    },
    {
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      "source": "user@apache.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://packetstormsecurity.com/files/165307/Log4j-Remote-Code-Execution-Word-Bypassing.html",
      "source": "user@apache.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://packetstormsecurity.com/files/165311/log4j-scan-Extensive-Scanner.html",
      "source": "user@apache.org",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://packetstormsecurity.com/files/165371/VMware-Security-Advisory-2021-0028.4.html",
      "source": "user@apache.org",
      "tags": [
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        "Third Party Advisory",
        "VDB Entry"
      ]
    }
  ],
  "metrics": {
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      {
        "source": "user@nist.gov",
        "type": "Primary",
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          "environmental_score": null,
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        },
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        "impact_score": 6.0
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        "recovery": null,
        "value_density": null,
        "vulnerability_response_effort": null,
        "provider_urgency": null,
        "base_score": 10.0,
        "base_severity": "CRITICAL"
      }
    }
  }
}

Content-Type: application/json
ratelimit-limit: 1
ratelimit-remaining: 0
ratelimit-reset: 1
x-ratelimit-limit-second: 1
x-ratelimit-remaining-second: 0
deepinfo-request-id: 5f0c6a8e-1b2d-4c3e-9f4a-7b8c9d0e1f2a

Request

What this example sends. Every parameter is documented on Detail; the exact request is in the code panel.

Parameter	Value
`cve`query	`CVE-2021-44228`

Reference updated September 24, 2026

Request

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