Roughly 200,000 Devices still affected by the Heartbleed vulnerability

More than two years after the disclosure of the HeartBleed bug, 200,000 services are still affected.

Systems susceptible to Heartbleed attacks are still too many, despite the flaw was discovered in 2014 nearly 200,000 systems are still affected.

Shodan made a similar search in November 2015 when he found 238,000 results, the number dropped to 237,539 results in March 2016.

The Heartbleed Bug, tracked as CVE-2014-0160, is a serious flaw in the popular OpenSSL library that allows an attacker to reveal up to 64kB of memory to a connected client or server.

Now the Shodan CEO John Matherly revealed that more than two years after its disclosure, about 200,000 services remain affected by the Heartbleed flaw due to the usage of unpatched OpenSSL instances.

Most of the vulnerable installations are located in the United States (42,032), followed by Korea (15,380), China (14,116), and Germany (14,072).

Heartbleed vulnerability devices

According to Matherly, the list of top affected organizations includes IT giants like Amazon, Verizon Wireless, German ISP Strato, OVH, 1&1 Internet, and Comcast.

The most affected product is Apache HTTP Server (httpd), in particular versions 2.2.22 and 2.2.15. Top operating system is Linux 3.x, followed by Linux 2.6.x and Windows 7/8. According to the report published by Shodan, more than 70,000 devices run services with expired SSL certificates.

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Pierluigi Paganini

(Security Affairs – OpenSSL, Heartbleed)

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Pierluigi Paganini

Pierluigi Paganini is member of the ENISA (European Union Agency for Network and Information Security) Threat Landscape Stakeholder Group and Cyber G7 Group, he is also a Security Evangelist, Security Analyst and Freelance Writer. Editor-in-Chief at "Cyber Defense Magazine", Pierluigi is a cyber security expert with over 20 years experience in the field, he is Certified Ethical Hacker at EC Council in London. The passion for writing and a strong belief that security is founded on sharing and awareness led Pierluigi to find the security blog "Security Affairs" recently named a Top National Security Resource for US. Pierluigi is a member of the "The Hacker News" team and he is a writer for some major publications in the field such as Cyber War Zone, ICTTF, Infosec Island, Infosec Institute, The Hacker News Magazine and for many other Security magazines. Author of the Books "The Deep Dark Web" and “Digital Virtual Currency and Bitcoin”.