{"id":219890,"date":"2025-08-12T04:28:49","date_gmt":"2025-08-12T09:28:49","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/08\/researchers-spot-surge-in-erlang-otp-ssh-rce-exploits-70-target-ot-firewalls"},"modified":"2025-08-12T04:28:49","modified_gmt":"2025-08-12T09:28:49","slug":"researchers-spot-surge-in-erlang-otp-ssh-rce-exploits-70-target-ot-firewalls","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/08\/researchers-spot-surge-in-erlang-otp-ssh-rce-exploits-70-target-ot-firewalls","title":{"rendered":"Researchers Spot Surge in Erlang\/OTP SSH RCE Exploits, 70% Target OT Firewalls"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/researchers-spot-surge-in-erlang-otp-ssh-rce-exploits-70-target-ot-firewalls.jpg\"><\/a><\/p>\n<p>Malicious actors have been observed exploiting a now-patched critical security flaw impacting Erlang\/Open Telecom Platform (OTP) SSH as early as beginning of May 2025, with about 70% of detections originating from firewalls protecting operational technology (OT) networks.<\/p>\n<p>The vulnerability in question is <a href=\"https:\/\/thehackernews.com\/2025\/04\/critical-erlangotp-ssh-vulnerability.html\" rel=\"noopener\" target=\"_blank\">CVE-2025\u201332433<\/a> (CVSS score: 10.0), a missing authentication issue that could be abused by an attacker with network access to an Erlang\/OTP SSH server to execute arbitrary code. It was patched in April 2025 with versions OTP-27.3.3, OTP-26.2.5.11, and OTP-25.3.2.20.<\/p>\n<p>Then in June 2025, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) <a href=\"https:\/\/thehackernews.com\/2025\/06\/cisa-adds-erlang-ssh-and-roundcube.html\" rel=\"noopener\" target=\"_blank\">added<\/a> the flaw to its Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Malicious actors have been observed exploiting a now-patched critical security flaw impacting Erlang\/Open Telecom Platform (OTP) SSH as early as beginning of May 2025, with about 70% of detections originating from firewalls protecting operational technology (OT) networks. The vulnerability in question is CVE-2025\u201332433 (CVSS score: 10.0), a missing authentication issue that could be abused by [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-219890","post","type-post","status-publish","format-standard","hentry","category-cybercrime-malcode"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/219890","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=219890"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/219890\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=219890"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=219890"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=219890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}