{
  "document": {
    "category": "csaf_informational_advisory",
    "csaf_version": "2.0",
    "notes": [
      {
        "category": "summary",
        "text": "On October 5, 2021 and October 7, 2021, the Apache Software Foundation released two security announcements for the Apache HTTP Server that disclosed the following vulnerabilities:\r\n    CVE-2021-41524: Null Pointer Dereference Vulnerability  CVE-2021-41773: Path Traversal and Remote Code Execution Vulnerability  CVE-2021-42013: Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773)\r\n\r\nFor descriptions of these vulnerabilities, see the Apache Security Announcement [\"https://httpd.apache.org/security/vulnerabilities_24.html\"]. For additional information, see the Cisco TALOS blog post, Threat Advisory: Apache HTTP Server zero-day vulnerability opens door for attackers [\"https://blog.talosintelligence.com/2021/10/apache-vuln-threat-advisory.html\"].\r\n\r\nCisco investigated its product line and concluded that no Cisco products are affected by these vulnerabilities.",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy [\"https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html\"]. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.",
        "title": "Vulnerability Policy"
      },
      {
        "category": "legal_disclaimer",
        "text": "THIS DOCUMENT IS PROVIDED ON AN \"AS IS\" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. 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\nA standalone copy or paraphrase of the text of this document that omits the distribution URL is an uncontrolled copy and may lack important information or contain factual errors. The information in this document is intended for end users of Cisco products.",
        "title": "Legal Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "Emergency Support:\r\n+1 877 228 7302 (toll-free within North America)\r\n+1 408 525 6532 (International direct-dial)\r\nNon-emergency Support:\r\nEmail: psirt@cisco.com\r\nSupport requests that are received via e-mail are typically acknowledged within 48 hours.",
      "issuing_authority": "Cisco product security incident response is the responsibility of the Cisco Product Security Incident Response Team (PSIRT). The Cisco PSIRT is a dedicated, global team that manages the receipt, investigation, and public reporting of security vulnerability information that is related to Cisco products and networks. The on-call Cisco PSIRT works 24x7 with Cisco customers, independent security researchers, consultants, industry organizations, and other vendors to identify possible security issues with Cisco products and networks.\r\nMore information can be found in Cisco Security Vulnerability Policy available at https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html",
      "name": "Cisco",
      "namespace": "https://wwww.cisco.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "Apache HTTP Server Vulnerabilities: October 2021",
        "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-pathtrv-LAzg68cZ"
      },
      {
        "category": "external",
        "summary": "Cisco Security Vulnerability Policy",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
      },
      {
        "category": "external",
        "summary": "Apache Security Announcement",
        "url": "https://httpd.apache.org/security/vulnerabilities_24.html"
      },
      {
        "category": "external",
        "summary": "Threat Advisory: Apache HTTP Server zero-day vulnerability opens door for attackers",
        "url": "https://blog.talosintelligence.com/2021/10/apache-vuln-threat-advisory.html"
      },
      {
        "category": "external",
        "summary": "Security Vulnerability Policy",
        "url": "https://sec.cloudapps.cisco.com/security/center/resources/security_vulnerability_policy.html"
      }
    ],
    "title": "Apache HTTP Server Vulnerabilities: October 2021",
    "tracking": {
      "current_release_date": "2021-10-07T16:00:00+00:00",
      "generator": {
        "date": "2022-10-22T03:12:44+00:00",
        "engine": {
          "name": "TVCE"
        }
      },
      "id": "cisco-sa-apache-httpd-pathtrv-LAzg68cZ",
      "initial_release_date": "2021-10-07T16:00:00+00:00",
      "revision_history": [
        {
          "date": "2021-10-07T20:43:47+00:00",
          "number": "1.0.0",
          "summary": "Initial public release."
        }
      ],
      "status": "final",
      "version": "1.0.0"
    }
  }
}