{"id":"CVE-2026-20133","aliases":["EUVD-2026-8678","GHSA-cf88-f64q-c626"],"status":"published","title":"A vulnerability in Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker...","description":"A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system.\r\n\r This vulnerability is due to insufficient file system restrictions. An authenticated attacker with netadmin privileges could exploit this vulnerability by accessing the vshell of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.3529,"percentile":0.98457,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2026-02-25T16:13:56Z","modified":"2026-06-17T10:17:11Z","kev":{"date_added":"2026-04-20","due_date":"2026-04-23","required_action":"Please adhere to CISA’s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlines in CISA’s Emergency Directive 26-03 (URL listed below in Notes) and CISA’s “Hunt \u0026 Hardening Guidance for Cisco SD-WAN Devices (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2026-04-20"},{"source":"kev","since":"2026-04-20"}],"products":[{"vendor":"cisco","product":"catalyst sd-wan manager"},{"vendor":"cisco","product":"catalyst_sd-wan_manager"},{"vendor":"cisco","product":"cisco catalyst sd-wan manager"}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-authbp-qwCX8D4v","tags":["Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20133","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20133"},{"url":"https://github.com/advisories/GHSA-cf88-f64q-c626"}],"sources":{"cve":[{"id":"CVE-2026-20133","description":"A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system.\r\n\r This vulnerability is due to insufficient file system restrictions. An authenticated attacker with netadmin privileges could exploit this vulnerability by accessing the vshell of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system.","status":"published","published":"2026-02-25T16:13:56.017Z","modified":"2026-04-22T15:31:56.704Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T13:35:55.731353Z"}],"euvd":[{"id":"EUVD-2026-8678","description":"A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system.\r\n\r This vulnerability is due to insufficient file system restrictions. An authenticated attacker with netadmin privileges could exploit this vulnerability by accessing the vshell of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system.","status":"published","published":"2026-02-25T16:13:56Z","modified":"2026-04-22T15:31:56Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"exploited_since":"2026-04-20","updated_at":"2026-11-02T19:24:20.283712Z"}],"ghsa":[{"id":"GHSA-cf88-f64q-c626","title":"A vulnerability in Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker...","description":"A vulnerability in Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to view sensitive information on an affected system.\n\nThis vulnerability is due to insufficient file system access restrictions. An attacker could exploit this vulnerability by accessing the API of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system.","status":"published","published":"2026-02-25T18:31:38Z","modified":"2026-04-20T21:32:43Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:07:33.597532Z"}],"kev":[{"id":"CVE-2026-20133","title":"Cisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability","description":"Cisco Catalyst SD-WAN Manager contains an exposure of sensitive information to an unauthorized actor vulnerability that could allow remote attackers to view sensitive information on affected systems.","cwes":["CWE-200"],"kev":{"date_added":"2026-04-20","due_date":"2026-04-23","required_action":"Please adhere to CISA’s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlines in CISA’s Emergency Directive 26-03 (URL listed below in Notes) and CISA’s “Hunt \u0026 Hardening Guidance for Cisco SD-WAN Devices (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:15.999436Z"}],"nvd":[{"id":"CVE-2026-20133","description":"A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system.\r\n\r This vulnerability is due to insufficient file system restrictions. An authenticated attacker with netadmin privileges could exploit this vulnerability by accessing the vshell of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system.","status":"published","published":"2026-02-25T17:25:30.983Z","modified":"2026-06-17T10:17:11.19Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/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-200"],"updated_at":"2026-11-02T14:12:07.027269Z"}]}}