{"id":"CVE-2020-26066","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-26066","generatedAt":"2026-10-27T22:33:34.204Z","title":"A vulnerability in the web UI of Cisco&nbsp;SD-WAN vManage Software could allow an authenticated, remote attacker to gain read and write access to information that is stored on an affected system.","description":"A vulnerability in the web UI of Cisco&nbsp;SD-WAN vManage Software could allow an authenticated, remote attacker to gain read and write access to information that is stored on an affected system.\r\nThe vulnerability is due to improper handling of XML External Entity (XXE) entries when parsing certain XML files. An attacker could exploit this vulnerability by persuading a user to import a crafted XML file with malicious entries. A successful exploit could allow the attacker to read and write files within the affected application.Cisco&nbsp;has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.","published":"2024-11-18T17:15:09.000Z","lastModified":"2026-06-17T03:07:32.000Z","status":"Analyzed","sourceIdentifier":"psirt@cisco.com","cvss":{"version":"3.0","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-611"],"affected":["cisco/catalyst sd-wan manager"],"epss":{"score":0.00594,"percentile":0.48104,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.59%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vmanx3-vrZbOqqD","tags":["Vendor Advisory"],"source":"psirt@cisco.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-26066","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}