{"id":"CVE-2020-24164","aliases":["EUVD-2022-1116","GHSA-p5gm-fgfx-hr7h"],"status":"published","title":"Gadget chain attack in Nippy","description":"A deserialization flaw is present in Taoensso Nippy before 2.14.2. In some circumstances, it is possible for an attacker to create a malicious payload that, when deserialized, will allow arbitrary code to be executed. This occurs because there is automatic use of the Java Serializable interface.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01114,"percentile":0.66311,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-502"],"published":"2020-09-11T05:49:06Z","modified":"2026-10-20T10:52:51Z","fixes":[{"ecosystem":"Maven","package":"com.taoensso:nippy","fixed_in":["2.14.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"com.taoensso:nippy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.14.2"}]}]},{"source":"osv","ecosystem":"Maven","package":"com.taoensso:nippy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.14.2"}]}]}],"products":[{"vendor":"taoensso","product":"nippy"}],"references":[{"url":"https://github.com/ptaoussanis/nippy/issues/130","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-24164","tags":["advisory"]},{"url":"https://github.com/ptaoussanis/nippy/commit/61fb009fdde2994140f2da2e495ba8af3a873eb2","tags":["web"]},{"url":"https://github.com/advisories/GHSA-p5gm-fgfx-hr7h"}],"sources":{"cve":[{"id":"CVE-2020-24164","description":"A deserialization flaw is present in Taoensso Nippy before 2.14.2. In some circumstances, it is possible for an attacker to create a malicious payload that, when deserialized, will allow arbitrary code to be executed. This occurs because there is automatic use of the Java Serializable interface.","status":"published","published":"2020-09-11T05:49:06Z","modified":"2024-08-04T15:05:11.862Z","updated_at":"2026-11-02T14:35:54.170199Z"}],"euvd":[{"id":"EUVD-2022-1116","description":"A deserialization flaw is present in Taoensso Nippy before 2.14.2. In some circumstances, it is possible for an attacker to create a malicious payload that, when deserialized, will allow arbitrary code to be executed. This occurs because there is automatic use of the Java Serializable interface.","status":"published","published":"2020-09-11T05:49:06Z","modified":"2024-08-04T15:05:11Z","updated_at":"2026-11-03T03:07:20.733107Z"}],"ghsa":[{"id":"GHSA-p5gm-fgfx-hr7h","title":"Gadget chain attack in Nippy","description":"A deserialization flaw is present in Taoensso Nippy before 2.14.2. In some circumstances, it is possible for an attacker to create a malicious payload that, when deserialized, will allow arbitrary code to be executed. This occurs because there is automatic use of the Java Serializable interface.","status":"published","published":"2022-02-10T20:55:10Z","modified":"2023-02-01T05:05:41Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:36:34.917834Z"}],"nvd":[{"id":"CVE-2020-24164","description":"A deserialization flaw is present in Taoensso Nippy before 2.14.2. In some circumstances, it is possible for an attacker to create a malicious payload that, when deserialized, will allow arbitrary code to be executed. This occurs because there is automatic use of the Java Serializable interface.","status":"published","published":"2020-09-11T06:15:11.903Z","modified":"2026-06-17T03:05:16.367Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:06:14.981587Z"}],"osv":[{"id":"CVE-2020-24164","description":"A deserialization flaw is present in Taoensso Nippy before 2.14.2. In some circumstances, it is possible for an attacker to create a malicious payload that, when deserialized, will allow arbitrary code to be executed. This occurs because there is automatic use of the Java Serializable interface.","status":"published","published":"2020-09-11T06:15:11.903Z","modified":"2026-10-20T10:52:51.078536393Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:15.534837Z"},{"id":"GHSA-p5gm-fgfx-hr7h","title":"Gadget chain attack in Nippy","description":"A deserialization flaw is present in Taoensso Nippy before 2.14.2. In some circumstances, it is possible for an attacker to create a malicious payload that, when deserialized, will allow arbitrary code to be executed. This occurs because there is automatic use of the Java Serializable interface.","status":"published","published":"2022-02-10T20:55:10Z","modified":"2023-11-08T04:03:06.527087Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:46:52.534897Z"}]}}