{
  "document": {
    "category": "csaf_informational_advisory",
    "csaf_version": "2.0",
    "notes": [
      {
        "category": "summary",
        "title": "Summary",
        "text": "On August 5, 2026, the Cisco Product Security Incident Response Team (PSIRT) published the following advisories:\r\n        Cisco Security Advisory  CVE ID  Security Impact Rating  CVSS Base Score          Cisco Catalyst SD-WAN Software Security Hardening Release: August 2026 [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-sdwan-faLcR3K\"]  CVE-2026-20303\r\nCVE-2026-20304\r\nCVE-2026-20310\r\nCVE-2026-20312\r\nCVE-2026-20313  Critical  9.9      Cisco IOS XE Software Security Hardening Release: August 2026 [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-iosxe-V8NMuMZJ\"]  CVE-2026-20267\r\nCVE-2026-20268\r\nCVE-2026-20269\r\nCVE-2026-20270\r\nCVE-2026-20271\r\nCVE-2026-20272\r\nCVE-2026-20273  Critical  9.8      Cisco Integrated Management Controller Argument Injection Vulnerabilities [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-arg-inject-upSHdMfU\"]  CVE-2026-20200\r\nCVE-2026-20288  High  8.8      Cisco IOS Software and IOS XE Software Extensible Messaging Client Protocol Denial of Service Vulnerability [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xmcp-thbAr34t\"]  CVE-2026-20301  High  8.6      Cisco IOS XE Software Blocks Extensible Exchange Protocol Denial of Service Vulnerability [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-bing-MGHrFAkd\"]  CVE-2026-20263  High  8.6      Cisco IOS XE Software SNMP Denial of Service Vulnerability [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-snmp-dos-ZAqNm4MD\"]  CVE-2026-20124  High  7.7      Cisco Catalyst SD-WAN Manager Information Disclosure Vulnerability [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-infodis-SPuJBDCe\"]  CVE-2026-20294  Medium  6.5      Cisco IOS XE Software Web-Based Management Interface Denial of Service Vulnerability [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xe-webui-dos-PtAODAWW\"]  CVE-2026-20311  Medium  6.3      Cisco RoomOS Logging Subsystem Information Disclosure Vulnerability [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-roomos-infodisc-qBXjfmWm\"]  CVE-2026-20289  Medium  5.7      Cisco Terminal Services Agent Firewall Rules Bypass Vulnerability [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ts-agent-fw-bypass-MYBTMrev\"]  CVE-2026-20028  Medium  5.0      Cisco Integrated Management Controller Cross-Site Scripting Vulnerability [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-xss-7EhBFxBp\"]  CVE-2026-20198  Medium  4.8      Cisco IOS XE Software Web-Based Management Interface Denial of Service Vulnerability [\"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webui-dos-qdc7qx3\"]  CVE-2026-20308  Medium  4.3\r\nTo fully remediate the vulnerabilities that were disclosed on August 5, 2026, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories.\r\n\r\nFor more information about changes in Cisco PSIRT vulnerability disclosure, see Strengthening the Foundation: A Predictable, Customer-Focused Response to AI-Accelerated Vulnerability Discovery [\"https://blogs.cisco.com/security/strengthening-the-foundation-a-predictable-customer-focused-response-to-ai-accelerated-vulnerability-discovery\"]."
      },
      {
        "category": "general",
        "title": "Vulnerability Policy",
        "text": "To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy [\"http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html\"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.\r\n\r\nFor additional information on Cisco's vulnerability management, disclosure cadence, and software patching strategy, see Cisco's Transition to a Risk-Based Vulnerability Disclosure Model [\"https://sec.cloudapps.cisco.com/security/center/resources/risk-based-disclosure\"]."
      },
      {
        "category": "legal_disclaimer",
        "title": "Legal Disclaimer",
        "text": "SOFTWARE DOWNLOADS AND TECHNICAL SUPPORT\r\n\r\nThe Cisco Support and Downloads [\"https://www.cisco.com/c/en/us/support/index.html\"] page on Cisco.com provides information about licensing and downloads. This page can also display customer device support coverage for customers who use the My Devices tool. Please note that customers may download only software that was procured from Cisco directly or through a Cisco authorized reseller or partner and for which the license is still valid.\r\n\r\nCustomers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco Technical Assistance Center (TAC) [\"https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html\"]. Customers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade.\r\n\r\nWhen considering software upgrades [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"], customers are advised to regularly consult the advisories [\"https://www.cisco.com/go/psirt\"] for the relevant Cisco products to determine exposure and a complete upgrade solution. In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) [\"https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html\"] or their contracted maintenance providers.\r\nLEGAL DISCLAIMER DETAILS\r\n\r\nCISCO DOES NOT MAKE ANY EXPRESS OR IMPLIED GUARANTEES OR WARRANTIES OF ANY KIND, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. WITHOUT LIMITING THE GENERALITY OF THE FOREGOING, CISCO DOES NOT GUARANTEE THE ACCURACY OR COMPLETENESS OF THIS INFORMATION. THIS DOCUMENT IS PROVIDED ON AN \"AS IS\" BASIS. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.\r\n\r\nCopies or summaries of the information contained in this Security Advisory may lack important information or contain factual errors. Customers are advised to visit the Cisco Security Advisories [\"https://www.cisco.com/go/psirt\"] page for the most recent version of this Security Advisory. The Cisco Product Security Incident Response Team (PSIRT) assesses only the affected and fixed release information that is documented in this advisory. See the Cisco Security Vulnerability Policy [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes\"] for more information."
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "psirt@cisco.com",
      "issuing_authority": "Cisco PSIRT",
      "name": "Cisco",
      "namespace": "https://wwww.cisco.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "Cisco Advance Notification for Publication of August 5, 2026, Security Advisories",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-notice-L4XfJg8S"
      },
      {
        "category": "external",
        "summary": "Cisco Security Vulnerability Policy",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
      },
      {
        "category": "external",
        "summary": "Cisco Catalyst SD-WAN Software Security Hardening Release: August 2026",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-sdwan-faLcR3K"
      },
      {
        "category": "external",
        "summary": "Cisco IOS XE Software Security Hardening Release: August 2026",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-iosxe-V8NMuMZJ"
      },
      {
        "category": "external",
        "summary": "Cisco Integrated Management Controller Argument Injection Vulnerabilities",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-arg-inject-upSHdMfU"
      },
      {
        "category": "external",
        "summary": "Cisco IOS Software and IOS XE Software Extensible Messaging Client Protocol Denial of Service Vulnerability",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xmcp-thbAr34t"
      },
      {
        "category": "external",
        "summary": "Cisco IOS XE Software Blocks Extensible Exchange Protocol Denial of Service Vulnerability",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-bing-MGHrFAkd"
      },
      {
        "category": "external",
        "summary": "Cisco IOS XE Software SNMP Denial of Service Vulnerability",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-snmp-dos-ZAqNm4MD"
      },
      {
        "category": "external",
        "summary": "Cisco Catalyst SD-WAN Manager Information Disclosure Vulnerability",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-infodis-SPuJBDCe"
      },
      {
        "category": "external",
        "summary": "Cisco IOS XE Software Web-Based Management Interface Denial of Service Vulnerability",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-xe-webui-dos-PtAODAWW"
      },
      {
        "category": "external",
        "summary": "Cisco RoomOS Logging Subsystem Information Disclosure Vulnerability",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-roomos-infodisc-qBXjfmWm"
      },
      {
        "category": "external",
        "summary": "Cisco Terminal Services Agent Firewall Rules Bypass Vulnerability",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ts-agent-fw-bypass-MYBTMrev"
      },
      {
        "category": "external",
        "summary": "Cisco Integrated Management Controller Cross-Site Scripting Vulnerability",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cimc-xss-7EhBFxBp"
      },
      {
        "category": "external",
        "summary": "Cisco IOS XE Software Web-Based Management Interface Denial of Service Vulnerability",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webui-dos-qdc7qx3"
      },
      {
        "category": "external",
        "summary": "Strengthening the Foundation: A Predictable, Customer-Focused Response to AI-Accelerated Vulnerability Discovery",
        "url": "https://blogs.cisco.com/security/strengthening-the-foundation-a-predictable-customer-focused-response-to-ai-accelerated-vulnerability-discovery"
      },
      {
        "category": "external",
        "summary": "Security Vulnerability Policy",
        "url": "http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html"
      },
      {
        "category": "external",
        "summary": "Cisco's Transition to a Risk-Based Vulnerability Disclosure Model",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/risk-based-disclosure"
      },
      {
        "category": "external",
        "summary": "Cisco Support and Downloads",
        "url": "https://www.cisco.com/c/en/us/support/index.html"
      },
      {
        "category": "external",
        "summary": "Cisco Technical Assistance Center (TAC)",
        "url": "https://www.cisco.com/c/en/us/support/web/tsd-cisco-worldwide-contacts.html"
      },
      {
        "category": "external",
        "summary": "considering software upgrades",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html#fixes"
      },
      {
        "category": "external",
        "summary": "the advisories",
        "url": "https://www.cisco.com/go/psirt"
      }
    ],
    "title": "Cisco Advance Notification for Publication of August 5, 2026, Security Advisories",
    "tracking": {
      "current_release_date": "2026-08-05T16:01:06+00:00",
      "generator": {
        "date": "2026-08-08T01:30:38+00:00",
        "engine": {
          "name": "TVCE"
        }
      },
      "id": "cisco-sa-notice-L4XfJg8S",
      "initial_release_date": "2026-07-29T16:00:00+00:00",
      "revision_history": [
        {
          "date": "2026-07-29T15:55:39+00:00",
          "number": "1.0.0",
          "summary": "Initial public release."
        },
        {
          "date": "2026-08-05T16:01:06+00:00",
          "number": "1.1.0",
          "summary": "Added links to security advisories."
        }
      ],
      "status": "final",
      "version": "1.1.0"
    }
  },
  "product_tree": {
    "branches": [
      {
        "name": "Cisco",
        "category": "vendor",
        "branches": [
          {
            "name": "Cisco IOS XE Software",
            "category": "product_family",
            "product": {
              "name": "Cisco IOS XE Software ",
              "product_id": "CSAFPID-93036"
            }
          },
          {
            "name": "Cisco Unified Computing System (Managed)",
            "category": "product_family",
            "product": {
              "name": "Cisco Unified Computing System (Managed) ",
              "product_id": "CSAFPID-112776"
            }
          },
          {
            "name": "Cisco Unified Computing System (Standalone)",
            "category": "product_family",
            "product": {
              "name": "Cisco Unified Computing System (Standalone) ",
              "product_id": "CSAFPID-191638"
            }
          },
          {
            "name": "Cisco Integrated Management Controller (IMC) Supervisor",
            "category": "product_family",
            "product": {
              "name": "Cisco Integrated Management Controller (IMC) Supervisor ",
              "product_id": "CSAFPID-209194"
            }
          },
          {
            "name": "Cisco Catalyst SD-WAN",
            "category": "product_family",
            "product": {
              "name": "Cisco Catalyst SD-WAN ",
              "product_id": "CSAFPID-238692"
            }
          },
          {
            "name": "Cisco RoomOS Software",
            "category": "product_family",
            "product": {
              "name": "Cisco RoomOS Software ",
              "product_id": "CSAFPID-265966"
            }
          },
          {
            "name": "Cisco Terminal Services Agent",
            "category": "product_family",
            "product": {
              "name": "Cisco Terminal Services Agent ",
              "product_id": "CSAFPID-308566"
            }
          }
        ]
      }
    ]
  }
}