{"id":"CVE-2018-1000210","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-1000210","generatedAt":"2026-10-28T22:43:55.060Z","title":"YamlDotNet version 4.3.2 and earlier contains a Insecure Direct Object Reference vulnerability in The default behavior of Deserializer.Deserialize() will deserialize user-controlled types in the line \"currentType =…","description":"YamlDotNet version 4.3.2 and earlier contains a Insecure Direct Object Reference vulnerability in The default behavior of Deserializer.Deserialize() will deserialize user-controlled types in the line \"currentType = Type.GetType(nodeEvent.Tag.Substring(1), throwOnError: false);\" and blindly instantiates them. that can result in Code execution in the context of the running process. This attack appear to be exploitable via Victim must parse a specially-crafted YAML file. This vulnerability appears to have been fixed in 5.0.0.","published":"2018-07-13T18:29:00.000Z","lastModified":"2026-06-17T01:32:41.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.8,"severity":"HIGH","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-502","CWE-639"],"affected":["yamldotnet project/yamldotnet"],"epss":{"score":0.01469,"percentile":0.73599,"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 (1.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/aaubry/YamlDotNet#version-500","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/aaubry/YamlDotNet/blob/f96b7cc40a0498f8bafdeb49df3aa23aa2c60993/YamlDotNet/Serialization/NodeTypeResolvers/TypeNameInTagNodeTypeResolver.cs#L35","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/aaubry/YamlDotNet#version-500","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/aaubry/YamlDotNet/blob/f96b7cc40a0498f8bafdeb49df3aa23aa2c60993/YamlDotNet/Serialization/NodeTypeResolvers/TypeNameInTagNodeTypeResolver.cs#L35","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-1000210","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."}