{
 "version": "https://jsonfeed.org/version/1.1",
 "title": "Cisco Umbrella Insights Virtual Appliance: all CVE events",
 "home_page_url": "https://patchwire.jonathanross.dev/products/cisco--cisco-umbrella-insights-virtual-appliance/",
 "feed_url": "https://patchwire.jonathanross.dev/feeds/products/cisco--cisco-umbrella-insights-virtual-appliance/all.json",
 "authors": [
  {
   "name": "Patchwire"
  }
 ],
 "language": "en",
 "items": [
  {
   "id": "tag:patchwire.jonathanross.dev,2026:CVE-2026-20221/disclosed",
   "url": "https://patchwire.jonathanross.dev/cve/CVE-2026-20221/",
   "title": "CVE-2026-20221 · Cisco Cyber Vision · disclosed",
   "content_text": "Multiple Cisco products are affected by a vulnerability in the generic routing encapsulation (GRE) tunnel decapsulation feature of the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker to cause an unexpected restart of the Snort 3 Detection Engine.\r\n\r\nThis vulnerability is due to improper handling of nested GRE traffic. An attacker could exploit this vulnerability by sending a crafted GRE payload through an affected device. A successful exploit could allow the attacker to trigger an unexpected reload of the Snort 3 Detection Engine, resulting in either a bypass or denial of service (DoS) condition, depending on device configuration. For more information, see the  section of this advisory. The Snort 3 Detection Engine will restart automatically. No manual intervention is required.",
   "date_published": "2026-10-21T16:12:53Z"
  }
 ]
}