{"id":"CVE-2020-28472","aliases":["CLSA-2026-1771891824","EUVD-2021-2392","GHSA-rrc9-gqf8-8rwg"],"status":"published","title":"Prototype Pollution","description":"This affects the package @aws-sdk/shared-ini-file-loader before 1.0.0-rc.9; the package aws-sdk before 2.814.0. If an attacker submits a malicious INI file to an application that parses it with loadSharedConfigFiles , they will pollute the prototype on the application. This can be exploited further depending on the context.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.02168,"percentile":0.8239,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321"],"published":"2021-01-19T10:25:15Z","modified":"2026-11-05T13:28:21Z","fixes":[{"ecosystem":"npm","package":"aws-sdk","fixed_in":["2.814.0"],"sources":["ghsa","osv"]},{"ecosystem":"npm","package":"@aws-sdk/shared-ini-file-loader","fixed_in":["1.0.0-rc.9"],"sources":["ghsa","osv"]},{"ecosystem":"TuxCare:npm","package":"aws-sdk","fixed_in":["2.0.5-tuxcare.1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"aws-sdk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.814.0"}]}]},{"source":"ghsa","ecosystem":"npm","package":"@aws-sdk/shared-ini-file-loader","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.0.0-rc.8"},{"fixed":"1.0.0-rc.9"}]}]},{"source":"osv","ecosystem":"TuxCare:npm","package":"aws-sdk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.5-tuxcare.0"},{"fixed":"2.0.5-tuxcare.1"}]}],"versions":["2.0.5"]},{"source":"osv","ecosystem":"npm","package":"aws-sdk","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.814.0"}]}]},{"source":"osv","ecosystem":"npm","package":"@aws-sdk/shared-ini-file-loader","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.0.0-rc.9"}]}]}],"products":[{"vendor":"amazon","product":"aws_sdk_for_javascipt"},{"vendor":"amazon","product":"aws_shared_configuration_file_loader"}],"references":[{"url":"https://snyk.io/vuln/SNYK-JS-AWSSDKSHAREDINIFILELOADER-1049304","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://snyk.io/vuln/SNYK-JS-AWSSDK-1059424","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1059425","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1059426","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://github.com/aws/aws-sdk-js-v3/commit/a209082dff913939672bb069964b33aa4c5409a9","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/aws/aws-sdk-js/pull/3585/commits/7d72aff2a941173733fcb6741b104cd83d3bc611","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28472","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-rrc9-gqf8-8rwg"}],"sources":{"cve":[{"id":"CVE-2020-28472","title":"Prototype Pollution","description":"This affects the package @aws-sdk/shared-ini-file-loader before 1.0.0-rc.9; the package aws-sdk before 2.814.0. If an attacker submits a malicious INI file to an application that parses it with loadSharedConfigFiles , they will pollute the prototype on the application. This can be exploited further depending on the context.","status":"published","published":"2021-01-19T10:25:15.313Z","modified":"2024-09-16T23:06:31.989Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:57.017407Z"}],"euvd":[{"id":"EUVD-2021-2392","description":"This affects the package @aws-sdk/shared-ini-file-loader before 1.0.0-rc.9; the package aws-sdk before 2.814.0. If an attacker submits a malicious INI file to an application that parses it with loadSharedConfigFiles , they will pollute the prototype on the application. This can be exploited further depending on the context.","status":"published","published":"2021-01-19T10:25:15Z","modified":"2024-09-16T23:06:31Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P","level":"high"}],"updated_at":"2026-11-03T00:54:56.752396Z"}],"ghsa":[{"id":"GHSA-rrc9-gqf8-8rwg","title":"Prototype Pollution via file load in aws-sdk and @aws-sdk/shared-ini-file-loader","description":"This affects the package @aws-sdk/shared-ini-file-loader before 1.0.0-rc.9; the package aws-sdk before 2.814.0. If an attacker submits a malicious INI file to an application that parses it with loadSharedConfigFiles , they will pollute the prototype on the application. This can be exploited further depending on the context.","status":"published","published":"2021-11-16T21:26:43Z","modified":"2023-01-29T05:06:10Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:36:25.835323Z"}],"nvd":[{"id":"CVE-2020-28472","description":"This affects the package @aws-sdk/shared-ini-file-loader before 1.0.0-rc.9; the package aws-sdk before 2.814.0. If an attacker submits a malicious INI file to an application that parses it with loadSharedConfigFiles , they will pollute the prototype on the application. This can be exploited further depending on the context.","status":"published","published":"2021-01-19T11:15:13.027Z","modified":"2026-06-17T03:10:30.657Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:06:30.596418Z"}],"osv":[{"id":"CVE-2020-28472","description":"This affects the package @aws-sdk/shared-ini-file-loader before 1.0.0-rc.9; the package aws-sdk before 2.814.0. If an attacker submits a malicious INI file to an application that parses it with loadSharedConfigFiles , they will pollute the prototype on the application. This can be exploited further depending on the context.","status":"published","published":"2021-01-19T11:15:13.027Z","modified":"2026-10-20T10:55:49.920394316Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:16.248747Z"},{"id":"GHSA-rrc9-gqf8-8rwg","title":"Prototype Pollution via file load in aws-sdk and @aws-sdk/shared-ini-file-loader","description":"This affects the package @aws-sdk/shared-ini-file-loader before 1.0.0-rc.9; the package aws-sdk before 2.814.0. If an attacker submits a malicious INI file to an application that parses it with loadSharedConfigFiles , they will pollute the prototype on the application. This can be exploited further depending on the context.","status":"published","published":"2021-11-16T21:26:43Z","modified":"2025-01-14T08:57:08.92777Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:46:56.281047Z"},{"id":"CLSA-2026-1771891824","title":"TuxCare security update for aws-sdk (1 CVE)","description":"TuxCare rebuilt aws-sdk to address 1 CVE. Fixed in 2.0.5-tuxcare.1.","status":"published","published":"2026-08-04T14:52:07Z","modified":"2026-11-05T13:28:21.802819436Z","updated_at":"2026-11-05T16:37:45.64821Z"}]}}