[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$frg3lZZKyF8Gvswg8-zLSiMpAQS8G6cijEC-J9nGJIV8":3},{"article":4,"iocs":46,"watch_terms":51,"solutions":52,"lesson":147},{"id":5,"title":6,"slug":7,"summary":8,"ai_summary":9,"brief":10,"url":11,"image_url":12,"published_at":13,"ingested_at":14,"relevance_score":15,"entities":16,"category_id":23,"category":24,"article_tags":28},"558250a7-d532-4927-89cf-672434c610e4","Cisco Warns of Active Attacks Exploiting New Critical Secure Email Gateway Vulnerability","cisco-warns-of-active-attacks-exploiting-new-critical-secure-email-gateway-vulne-402aae","Attackers are exploiting a critical flaw in Cisco Secure Email Gateway that lets a sender with no login write files to the appliance's operating system, Cisco said in an advisory on Wednesday. The attacker sends an email with a crafted attachment through the gateway and, if it succeeds, could then run commands as root. The appliance filters an organization's email for spam, malware,","Cisco has issued a warning about a critical vulnerability (CVE-2024-20253) being actively exploited in its Secure Email Gateway. The flaw allows unauthenticated attackers to write files to the appliance's operating system by sending a specially crafted email attachment. Successful exploitation could lead to the execution of arbitrary commands with root privileges, potentially compromising the entire email infrastructure.","Cisco warns of active attacks exploiting a critical flaw in Secure Email Gateway.","https:\u002F\u002Fthehackernews.com\u002F2026\u002F10\u002Fcisco-warns-of-active-attacks.html","https:\u002F\u002Fblogger.googleusercontent.com\u002Fimg\u002Fb\u002FR29vZ2xl\u002FAVvXsEhh__fSqm3p4u0HNpmeikU6Mo4abprP417Zb3pPW3-6IGrTHwqkbz1CqiuqxL2D0O1PH8J4Ho3_ZpNdJ5VFluIj_KHX6qT0WqZYfHQzyu0cVzGee9EmAZ9pNzsZJZx40UxuKjuz9eNHvuzlMANKOkDr6aRdKWxs8SpJqSi6vDBQTP5ZFgpgqn3Yj2TYNJU\u002Fs1600\u002Fcisco-0day.jpg","2026-10-14T18:38:56+00:00","2026-10-14T20:00:11.866281+00:00",9,[17,20],{"name":18,"type":19},"Secure Email Gateway","product",{"name":21,"type":22},"Cisco","vendor","80544778-fabb-4dcd-aa35-17492e5dcf4f",{"id":23,"icon":25,"name":26,"slug":27},null,"Vulnerabilities","vulnerabilities",[29,34,36,41],{"category":30},{"id":31,"icon":25,"name":32,"slug":33},"6cbdd207-aaa1-4176-9534-e156b125e917","Nation-state","nation-state",{"category":35},{"id":23,"icon":25,"name":26,"slug":27},{"category":37},{"id":38,"icon":25,"name":39,"slug":40},"89f78b1c-3503-45a1-9fc7-e23d2ce1c6d5","Malware","malware",{"category":42},{"id":43,"icon":25,"name":44,"slug":45},"e7b231c8-5f79-4465-8d38-1ef13aea5a14","Threat Intelligence","threat-intelligence",[47],{"type":48,"value":49,"context":50},"cve","CVE-2024-20253","Critical vulnerability in Cisco Secure Email Gateway",[21,18],{"controls":53,"vendors":140},[54,82,111],{"slug":55,"name":56,"problem":57,"products":58},"patch-management","Automated patch management","Known holes get closed in days, not months.",[59,66,74],{"vendor_slug":60,"vendor_name":61,"vendor_logo":62,"product_slug":55,"product_name":63,"url":64,"description":65},"qualys","Qualys","\u002Fvendor-logos\u002Fqualys.png","Qualys Patch Management","https:\u002F\u002Fwww.qualys.com\u002Fapps\u002Fpatch-management\u002F","Patch deployment for operating systems and third-party applications, linked to vulnerability findings.",{"vendor_slug":67,"vendor_name":68,"vendor_logo":69,"product_slug":70,"product_name":71,"url":72,"description":73},"ninjaone","NinjaOne","\u002Fvendor-logos\u002Fninjaone.png","ninjaone-patch-management","NinjaOne Patch Management","https:\u002F\u002Fwww.ninjaone.com\u002Fpatch-management\u002F","Automated patching of operating systems and third-party applications from the cloud.",{"vendor_slug":75,"vendor_name":76,"vendor_logo":77,"product_slug":78,"product_name":79,"url":80,"description":81},"action1","Action1","\u002Fvendor-logos\u002Faction1.png","action1-patch-management","Action1 Patch Management","https:\u002F\u002Fwww.action1.com\u002F","Cloud-native patch management for Windows, macOS and third-party applications.",{"slug":83,"name":84,"problem":85,"products":86},"endpoint-detection-response","Endpoint detection and response (EDR and XDR)","Malware and hands-on-keyboard attackers on laptops and servers get spotted and stopped.",[87,95,103],{"vendor_slug":88,"vendor_name":89,"vendor_logo":90,"product_slug":91,"product_name":92,"url":93,"description":94},"huntress","Huntress","\u002Fvendor-logos\u002Fhuntress.png","managed-edr","Huntress Managed EDR","https:\u002F\u002Fwww.huntress.com\u002Fplatform\u002Fmanaged-edr","Endpoint detection and response monitored around the clock by Huntress analysts.",{"vendor_slug":96,"vendor_name":97,"vendor_logo":98,"product_slug":99,"product_name":100,"url":101,"description":102},"sentinelone","SentinelOne","\u002Fvendor-logos\u002Fsentinelone.png","singularity-endpoint","Singularity Endpoint","https:\u002F\u002Fwww.sentinelone.com\u002Fplatform\u002Fendpoint-security\u002F","Endpoint protection and detection with automated response and rollback.",{"vendor_slug":104,"vendor_name":105,"vendor_logo":106,"product_slug":107,"product_name":108,"url":109,"description":110},"elastic","Elastic","\u002Fvendor-logos\u002Felastic.png","elastic-security","Elastic Security","https:\u002F\u002Fwww.elastic.co\u002Fsecurity","SIEM and endpoint security built on Elasticsearch, with open detection rules.",{"slug":112,"name":113,"problem":114,"products":115},"email-security","Email security","Phishing, malware and invoice fraud are filtered out before they reach inboxes.",[116,124,132],{"vendor_slug":117,"vendor_name":118,"vendor_logo":119,"product_slug":120,"product_name":121,"url":122,"description":123},"microsoft","Microsoft","\u002Fvendor-logos\u002Fmicrosoft.png","defender-for-office-365","Microsoft Defender for Office 365","https:\u002F\u002Fwww.microsoft.com\u002Fen-us\u002Fsecurity\u002Fbusiness\u002Fsiem-and-xdr\u002Fmicrosoft-defender-office-365","Protection for Exchange Online, Teams and SharePoint against phishing, malicious links and attachments.",{"vendor_slug":125,"vendor_name":126,"vendor_logo":127,"product_slug":128,"product_name":129,"url":130,"description":131},"proofpoint","Proofpoint","\u002Fvendor-logos\u002Fproofpoint.png","core-email-protection","Proofpoint Core Email Protection","https:\u002F\u002Fwww.proofpoint.com\u002Fus\u002Fproducts\u002Femail-protection","Email filtering for phishing, malware and business email compromise.",{"vendor_slug":133,"vendor_name":134,"vendor_logo":135,"product_slug":136,"product_name":137,"url":138,"description":139},"check-point","Check Point","\u002Fvendor-logos\u002Fcheck-point.png","harmony-email","Harmony Email & Collaboration","https:\u002F\u002Fwww.checkpoint.com\u002Fharmony\u002Femail-security\u002F","Email and collaboration security for Microsoft 365 and Google Workspace.",[141],{"slug":142,"name":21,"logo_path":143,"roles":144},"cisco","\u002Fvendor-logos\u002Fcisco.png",[145,146],"affected","reported_by",{"slug":148,"title":149,"body":150,"framework_refs":151,"framework_notes":162},"critical-cisco-email-gateway-flaw-actively-exploited-for-root-access","Critical Cisco Email Gateway Flaw Actively Exploited for Root Access","A critical unauthenticated remote code execution vulnerability in Cisco's Secure Email Gateway (CVE-2024-20253) is being actively exploited in the wild, allowing attackers to gain root-level control simply by sending a malicious email attachment. The root cause lies in insufficient input validation within the email processing pipeline, combined with delayed patch deployment on critical network appliances. This is especially dangerous because the attack vector requires no credentials and targets security infrastructure itself — the very tool meant to protect against email-borne threats. Compromise of an email gateway can expose the entire organization to data exfiltration, lateral movement, and persistent backdoors.",[152,153,154,155,156,157,158,159,160,161],"CIS Control 7: Continuous Vulnerability Management","CIS Control 12: Network Infrastructure Management","CIS Control 13: Network Monitoring and Defense","NIST SP 800-40 Rev. 4: Guide to Enterprise Patch Management","NIST SI-2: Flaw Remediation","NIST SC-7: Boundary Protection (Network Segmentation)","NIST RA-5: Vulnerability Monitoring and Scanning","NIST IR-4: Incident Handling","ISO\u002FIEC 27001: A.12.6.1 Management of Technical Vulnerabilities","ITIL: Change Management \u002F Emergency Change Procedures",{}]