{"id":"CVE-2020-4434","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-4434","generatedAt":"2026-10-27T22:33:42.633Z","title":"Certain IBM Aspera applications are vulnerable to buffer overflow based on the product configuration and valid authentication, which could allow an attacker with intimate knowledge of the system to execute arbitrary code or perform a denial-of-service…","description":"Certain IBM Aspera applications are vulnerable to buffer overflow based on the product configuration and valid authentication, which could allow an attacker with intimate knowledge of the system to execute arbitrary code or perform a denial-of-service (DoS) through the http fallback service. IBM X-Force ID: 180900.","published":"2020-06-10T13:15:17.000Z","lastModified":"2026-06-17T03:19:59.000Z","status":"Modified","sourceIdentifier":"psirt@us.ibm.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-120"],"affected":["ibm/aspera application platform on demand","ibm/aspera faspex on demand","ibm/aspera high-speed transfer endpoint","ibm/aspera high-speed transfer server","ibm/aspera high-speed transfer server for cloud pak for integration","ibm/aspera proxy server","ibm/aspera server on demand","ibm/aspera shares on demand","ibm/aspera streaming","ibm/aspera transfer cluster manager"],"epss":{"score":0.02604,"percentile":0.85263,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.60%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/180900","tags":["VDB Entry","Vendor Advisory"],"source":"psirt@us.ibm.com"},{"url":"https://www.ibm.com/support/pages/node/6221324","tags":["Vendor Advisory"],"source":"psirt@us.ibm.com"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/180900","tags":["VDB Entry","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.ibm.com/support/pages/node/6221324","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-4434","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."}