{"id":"CVE-2020-4433","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-4433","generatedAt":"2026-10-27T23:43:01.563Z","title":"Certain IBM Aspera applications are vulnerable to a stack-based buffer overflow, caused by improper bounds checking.","description":"Certain IBM Aspera applications are vulnerable to a stack-based buffer overflow, caused by improper bounds checking. This could allow a remote attacker with intimate knowledge of the server to execute arbitrary code on the system with the privileges of root or cause server to crash. IBM X-Force ID: 180814.","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-20","CWE-787"],"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":0.05261,"percentile":0.92494,"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 (5.26%). 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/180814","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/180814","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-2020-4433","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."}