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Home > Development > Over 3.6 million MySQL servers are exposed

Over 3.6 million MySQL servers are exposed

Shadow Server announced that they found over 3.6 million accessible MySQL servers on IPv4 and IPv6 worldwide.


Erdem Yasar Erdem Yasar
June 1, 2022
2 min read
Over 3.6 million MySQL servers are exposed

Shadow Server announced that they started scanning for accessible MySQL server instances on port 3306/TCP to find instances that respond to the request with a Server Greeting. Shadow Server found approximately 2.3 million IPv4 addresses and over 1.3 million IPv6 addresses responding with a greeting. Shadow Server didn’t check for the level of access possible or exposure of specific databases.

Results

According to the research, there is a total population of MySQL servers on port 3306/TCP to be 3,957,457 on IPv4. The total population of MySQL servers responding on port 3306/TCP is 1,421, 010 on IPv6. 

Among 2,279,908 MySQL servers that respond with a Server Greeting on IPv4, 1,117,659 have TLS support and 1,163,249 do not. 38,198 of the IPv6 MySQL servers that responded with a Server Greeting have TLS support while 1,307,795 do not. In total 67% of all MySQL services found are accessible from the Internet.

Most accessible IPv4 MySQL servers by country:

  • United States (740.1K)
  • China (296.3K)
  • Poland (207.8K)
  • Germany (174.9K)

Most accessible IPv6 MySQL servers by country:

  • United States (460.8K)
  • Netherlands (296.3K)
  • Singapore (218.2K)
  • Germany (173.7K)

MySQL Top 10 IPv4 versions:

  • 5.7.33-36 150600  
  • 5.6.41-84.1 92834  
  • 5.7.23-23 69627  
  • 5.7.38-0ubuntu0.18.04.1 59333  
  • 5.6.51-cll-lve 58825  
  • 8.0.23 57148  
  • 5.5.68-mariadb 55401  
  • 5.6.50-log 54574  
  • 5.5.5-10.1.48-mariadb 40853  
  • 5.7.33-log 35809

MySQL IPv6 versions:

  • 5.5.5-10.5.12-mariadb-cll-lve 908128  
  • 5.7.37-40-log 147072  
  • 5.5.5-10.5.13-mariadb-cll-lve 125320  
  • 5.5.5-10.5.15-mariadb-cll-lve 72856  
  • 8.0.27-18 20838  
  • 5.5.5-10.3.32-mariadb-log 11121  
  • 5.7.35-38 6640  
  • 5.5.5-10.5.15-mariadb-cll-lve-log 3435  
  • 5.7.23-cll-lve 2085  
  • 5.7.33-cll-lve 1993

Shadow Server also stated,

« It is unlikely that you need to have your MySQL server allowing for external connections from the Internet (and thus a possible external attack surface). If you do receive a report on your network/constituency take action to filter out traffic to your MySQL instance and make sure to implement authentication on the server. »

See more Development News


Tags: MySQL
Erdem Yasar

Erdem Yasar

Erdem Yasar is a news editor at Cloud7 News. Erdem started his career by writing video game reviews in 2007 for PC World magazine while he was studying computer engineering. In the following years, he focused on software development with various programming languages. After his graduation, he continued to work as an editor for several major tech-related websites and magazines. During the 2010s, Erdem Yasar shifted his focus to cloud computing, hosting, and data centers as they were becoming more popular topics in the tech industry. Erdem Yasar also worked with various industry-leading tech companies as a content creator by writing blog posts and other articles. Prior to his role at Cloud7 News, Erdem was the managing editor of T3 Magazine.

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