{"id":"CVE-2021-1132","aliases":["EUVD-2021-6599","GHSA-pm93-mhpj-x843"],"status":"published","title":"Cisco Network Services Orchestrator Path Traversal Vulnerability","description":"A vulnerability in the API subsystem and in the web-management interface of Cisco\u0026nbsp;Network Services Orchestrator (NSO) could allow an unauthenticated, remote attacker to access sensitive data.\r\nThis vulnerability exists because the web-management interface and certain HTTP-based APIs do not properly validate user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request that contains directory traversal character sequences to an affected system. A successful exploit could allow the attacker to access sensitive files on the affected system.Cisco\u0026nbsp;has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/RL:X/RC:X/E:X","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01629,"percentile":0.76392,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-35"],"published":"2024-11-18T15:42:08Z","modified":"2026-06-17T03:31:01Z","products":[{"vendor":"cisco","product":"cisco network services orchestrator"},{"vendor":"cisco","product":"network_services_orchestrator"}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nso-path-trvsl-dZRQE8Lc","tags":["Vendor Advisory"]},{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-distupd-N87eB6Z3","tags":["Not Applicable"]},{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ipphone-rce-dos-U2PsSkz3","tags":["Not Applicable"]},{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-ethernet-dos-HGXgJH8n","tags":["Not Applicable"]},{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwanvman-infodis1-YuQScHB","tags":["Not Applicable"]},{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-vmaninfdis3-OvdR6uu8","tags":["Not Applicable"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-1132"},{"url":"https://github.com/advisories/GHSA-pm93-mhpj-x843"}],"sources":{"cve":[{"id":"CVE-2021-1132","title":"Cisco Network Services Orchestrator Path Traversal Vulnerability","description":"A vulnerability in the API subsystem and in the web-management interface of Cisco\u0026nbsp;Network Services Orchestrator (NSO) could allow an unauthenticated, remote attacker to access sensitive data.\r\nThis vulnerability exists because the web-management interface and certain HTTP-based APIs do not properly validate user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request that contains directory traversal character sequences to an affected system. A successful exploit could allow the attacker to access sensitive files on the affected system.Cisco\u0026nbsp;has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.","status":"published","published":"2024-11-18T15:42:08.936Z","modified":"2024-11-18T16:36:46.502Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/RL:X/RC:X/E:X","level":"medium","assessor":"cna"}],"cwes":["CWE-35"],"updated_at":"2026-11-02T14:33:08.811269Z"}],"euvd":[{"id":"EUVD-2021-6599","description":"A vulnerability in the API subsystem and in the web-management interface of Cisco\u0026nbsp;Network Services Orchestrator (NSO) could allow an unauthenticated, remote attacker to access sensitive data.\r\nThis vulnerability exists because the web-management interface and certain HTTP-based APIs do not properly validate user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request that contains directory traversal character sequences to an affected system. A successful exploit could allow the attacker to access sensitive files on the affected system.Cisco\u0026nbsp;has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.","status":"published","published":"2024-11-18T15:42:08Z","modified":"2024-11-18T16:36:46Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/RL:X/RC:X/E:X","level":"medium"}],"updated_at":"2026-11-03T00:04:57.054288Z"}],"ghsa":[{"id":"GHSA-pm93-mhpj-x843","title":"A vulnerability in the API subsystem and in the web-management interface of Cisco\u0026nbsp;Network...","description":"A vulnerability in the API subsystem and in the web-management interface of Cisco\u0026nbsp;Network Services Orchestrator (NSO) could allow an unauthenticated, remote attacker to access sensitive data.\nThis vulnerability exists because the web-management interface and certain HTTP-based APIs do not properly validate user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request that contains directory traversal character sequences to an affected system. A successful exploit could allow the attacker to access sensitive files on the affected system.Cisco\u0026nbsp;has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.","status":"published","published":"2024-11-18T18:30:57Z","modified":"2024-11-18T18:31:05Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-35"],"updated_at":"2026-11-02T14:58:52.476096Z"}],"nvd":[{"id":"CVE-2021-1132","description":"A vulnerability in the API subsystem and in the web-management interface of Cisco\u0026nbsp;Network Services Orchestrator (NSO) could allow an unauthenticated, remote attacker to access sensitive data.\r\nThis vulnerability exists because the web-management interface and certain HTTP-based APIs do not properly validate user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request that contains directory traversal character sequences to an affected system. A successful exploit could allow the attacker to access sensitive files on the affected system.Cisco\u0026nbsp;has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.","status":"published","published":"2024-11-18T16:15:08.343Z","modified":"2026-06-17T03:31:01.323Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-35"],"updated_at":"2026-11-02T14:07:08.629518Z"}]}}