{"id":"CVE-2020-24838","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-24838","generatedAt":"2026-10-28T02:58:35.346Z","title":"An integer overflow has been found in the the latest version of Issuer.","description":"An integer overflow has been found in the the latest version of Issuer. The total issuedCount can be zero if the parameter is overly large. An attacker can obtain the private key of the owner issued with a certain 'amount', and the issuedCount can be zero if there is an overflow.","published":"2021-02-10T16:15:14.000Z","lastModified":"2026-06-17T03:06:06.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"cwe":["CWE-190"],"affected":["issuer project/issuer"],"epss":{"score":0.01377,"percentile":0.71881,"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 (1.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://etherscan.io/address/0xecaad8df0dee0b9ed45ffd1191b024701f21506c#code","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://etherscan.io/address/0xecaad8df0dee0b9ed45ffd1191b024701f21506c#code","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-24838","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."}