{"id":"CVE-2019-11355","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-11355","generatedAt":"2026-10-29T03:02:47.407Z","title":"A feature exists that allows the creation of a server / client certificate, or the upload of the user certificate, on the administrator's page.","description":"An issue was discovered in Poly (formerly Polycom) HDX 3.1.13. A feature exists that allows the creation of a server / client certificate, or the upload of the user certificate, on the administrator's page. The value received from the user is the factor value of a shell script on the equipment. By entering a special character (such as a single quote) in a CN or other CSR field, one can insert a command into a factor value. A system command can be executed as root.","published":"2020-03-12T21:15:13.000Z","lastModified":"2026-06-17T02:12:46.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-78"],"affected":["polycom/hdx system software"],"epss":{"score":0.01081,"percentile":0.64965,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://support.polycom.com/content/dam/polycom-support/global/documentation/hdx-3-1-14-advisory.pdf","tags":["Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://support.polycom.com/content/dam/polycom-support/global/documentation/hdx-3-1-14-advisory.pdf","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-11355","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."}