{"id":11450,"date":"2026-03-19T07:03:29","date_gmt":"2026-03-19T07:03:29","guid":{"rendered":"https:\/\/serisec.com\/index.php\/2026\/03\/19\/interlock-ransomware-exploits-cisco-fmc-html\/"},"modified":"2026-03-19T07:03:29","modified_gmt":"2026-03-19T07:03:29","slug":"interlock-ransomware-exploits-cisco-fmc-html","status":"publish","type":"post","link":"https:\/\/serisec.com\/index.php\/2026\/03\/19\/interlock-ransomware-exploits-cisco-fmc-html\/","title":{"rendered":"Interlock Ransomware Exploits Cisco FMC Zero-Day CVE-2026-20131 for Root Access"},"content":{"rendered":"<p>    Interlock Ransomware Exploits Cisco FMC Zero-Day CVE-2026-20131 for Root Access<br \/>\n \t<BR><br \/>\n<BR><\/BR><br \/>\n    <!-- no image --><br \/>\n \t<BR><br \/>\n<BR><\/BR><\/p>\n<div>Amazon Threat Intelligence is warning of an active Interlock ransomware campaign that&#8217;s exploiting a recently disclosed critical security flaw in Cisco Secure Firewall Management Center (FMC) Software.<br \/>\nThe vulnerability in question is CVE-2026-20131 (CVSS score: 10.0), a case of insecure deserialization of user-supplied Java byte stream, which could allow an unauthenticated, remote attacker to<\/div>\n<p> \t<BR><br \/>\n <BR><\/BR><\/p>\n<p> \t<BR><br \/>\n<BR><\/BR><br \/>\n<a href=\"https:\/\/thehackernews.com\/2026\/03\/interlock-ransomware-exploits-cisco-fmc.html\">Go to TheHackersNews<\/a><br \/>\n \t<BR><br \/>\n <BR><\/BR><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Interlock Ransomware Exploits Cisco FMC Zero-Day CVE-2026-20131 for Root Access Amazon Threat Intelligence is warning of an active Interlock ransomware campaign that&#8217;s exploiting a recently disclosed critical security flaw in Cisco Secure Firewall Management Center (FMC) Software. The vulnerability in question is CVE-2026-20131 (CVSS score: 10.0), a case of insecure deserialization of user-supplied Java byte [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[60],"tags":[76],"class_list":["post-11450","post","type-post","status-publish","format-standard","hentry","category-thehackersnews","tag-thehackersnews"],"_links":{"self":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/11450"}],"collection":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/comments?post=11450"}],"version-history":[{"count":0,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/11450\/revisions"}],"wp:attachment":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/media?parent=11450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/categories?post=11450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/tags?post=11450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}