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A vulnerability in Erlang/OTP has been exploited in the wild, with a significant number of attempts targeting Operational Technology (OT) networks. Erlang/OTP is a platform used for building distributed, real-time systems, and vulnerabilities in such platforms can have severe implications, especially when exploited in OT environments. OT networks are critical for industrial control systems and other essential infrastructure, making them attractive targets for attackers. The exploitation of this vulnerability highlights the increasing risk to OT environments, which often have legacy systems and weaker security postures compared to IT networks. The lack of specific technical details in the source article limits the understanding of the exact nature of the vulnerability and its impacts. However, it is clear that organizations using Erlang/OTP must prioritize vulnerability assessments, patch management, and network segmentation to mitigate risks. Security teams should also enhance monitoring and detection capabilities to identify and respond to exploitation attempts promptly. This incident underscores the importance of proactive cybersecurity measures in protecting critical infrastructure from potential disruptions and safety hazards.

A critical security vulnerability in Erlang/Open Telecom Platform (OTP) SSH, identified as CVE-2025-32433 with a CVSS score of 10.0, has been actively exploited by malicious actors since early May 2025. The vulnerability involves a missing authentication issue, allowing attackers to bypass authentication mechanisms and gain unauthorized access to systems. Approximately 70% of detections originate from firewalls protecting operational technology (OT) networks, highlighting the significant risk to critical infrastructure sectors such as manufacturing, energy, and utilities. Exploiting this vulnerability could lead to operational disruptions, data breaches, or even physical damage. Organizations using Erlang/OTP SSH should immediately apply patches to mitigate this vulnerability. Given the high CVSS score and active exploitation, prioritizing patch management is crucial. Additionally, monitoring network traffic for signs of exploitation and enhancing authentication mechanisms can help mitigate risks. Cybersecurity professionals should ensure that all systems using Erlang/OTP SSH are updated to the latest patched versions. Implementing network segmentation, especially for OT networks, can limit the spread of potential exploits. Continuous monitoring and intrusion detection systems should be configured to detect and alert on any suspicious activity related to this vulnerability.

The official home of the Erlang Programming Language

The official home of the Erlang Programming Language

The official home of the Erlang Programming Language

Origin

The official home of the Erlang Programming Language

MITRE ATT&CK v17.0 has been released, along with a verification code for a critical vulnerability in Erlang/OTP SSH. The 17.0 version of MITRE ATT&CK introduces new techniques and tactics to help cybersecurity professionals better understand and counter threats. Meanwhile, a critical vulnerability in Erlang/OTP SSH has been discovered, and a Proof of Concept (PoC) has been published, which could pose significant risks for companies using this technology. The technical details and potential impacts of this vulnerability were not specified in the article.

Cisco has confirmed that some of its products are affected by the critical remote code execution vulnerability in Erlang/OTP, identified as CVE-2025-32433. The company is currently assessing the impact of this flaw on its products. The vulnerability affects the Erlang/OTP framework, which is used in several Cisco solutions.

SSH servers using Erlang/OTP SSH are vulnerable to a critical security flaw. Security patches are available to address this vulnerability. This flaw has received the highest severity rating.

The SSH implementation of Erlang/Open Telecom Platform (OTP) has a critical security vulnerability. This flaw exposes devices using this technology to risks of remote hacking. The article does not mention specific technical details or real impacts.

Se ha revelado una vulnerabilidad crítica en el SSH de Erlang/OTP, identificada como CVE-2025-32433, que permite la ejecución remota de código en dispositivos

The official home of the Erlang Programming Language

The official home of the Erlang Programming Language

The official home of the Erlang Programming Language

The official home of the Erlang Programming Language

A critical vulnerability, CVE-2025-32433, has been discovered in Erlang/OTP SSH, allowing unauthenticated remote code execution. This flaw exposes many servers to complete takeover. Specific technical details of the vulnerability are not mentioned, but the impact is significant, allowing attackers to gain full control of affected servers.

Critical Erlang/OTP SSH vulnerability allows unauthenticated remote code execution; patch immediately. #ErlangOTP #SSH #Cybersecurity