{"id":"CVE-2018-3777","aliases":["EUVD-2018-0368","GHSA-534w-937m-v7x3"],"status":"published","title":"restforce vulnerable to Improper Input Validation","description":"Insufficient URI encoding in restforce before 3.0.0 allows attacker to inject arbitrary parameters into Salesforce API requests.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01506,"percentile":0.74536,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-172","CWE-20"],"published":"2018-08-03T20:00:00Z","modified":"2026-10-20T10:50:27Z","fixes":[{"ecosystem":"RubyGems","package":"restforce","fixed_in":["3.0.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"RubyGems","package":"restforce","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.0"}]}]},{"source":"osv","ecosystem":"RubyGems","package":"restforce","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.0"}]}],"versions":["0.0.1","0.0.2","0.0.3","0.0.4","0.0.5","0.0.6","0.0.7","0.0.8","0.1.0","0.1.1","0.1.10","0.1.2","0.1.3","0.1.4","0.1.5","0.1.6","0.1.7","0.1.8","0.1.9","1.0.0","1.0.1","1.0.2","1.0.3","1.0.4","1.0.5","1.0.6","1.1.0","1.2.0","1.3.0","1.4.0","1.4.1","1.4.2","1.4.3","1.5.0","1.5.1","1.5.2","1.5.3","2.0.0","2.1.0","2.1.1","2.1.2","2.1.3","2.2.0","2.2.1","2.3.0","2.4.0","2.4.1","2.4.2","2.5.0","2.5.1","2.5.2","2.5.3","2.5.4"]}],"products":[{"vendor":"https://github.com/restforce","product":"restforce ruby gem"},{"vendor":"restforce","product":"restforce"}],"references":[{"url":"https://github.com/restforce/restforce/pull/392","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Third Party Advisory","report","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-3777","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-534w-937m-v7x3","tags":["advisory"]},{"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/restforce/CVE-2018-3777.yml","tags":["web"]},{"url":"https://github.com/restforce/restforce","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2018-3777","description":"Insufficient URI encoding in restforce before 3.0.0 allows attacker to inject arbitrary parameters into Salesforce API requests.","status":"published","published":"2018-08-03T20:00:00Z","modified":"2024-09-17T03:07:25.089Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:35:05.619113Z"}],"euvd":[{"id":"EUVD-2018-0368","description":"Insufficient URI encoding in restforce before 3.0.0 allows attacker to inject arbitrary parameters into Salesforce API requests.","status":"published","published":"2018-08-03T20:00:00Z","modified":"2024-09-17T03:07:25Z","updated_at":"2026-11-03T00:28:34.673232Z"}],"ghsa":[{"id":"GHSA-534w-937m-v7x3","title":"restforce vulnerable to Improper Input Validation","description":"A flaw in how restforce constructs URLs may allow an attacker to inject additional parameters into Salesforce API requests.   \n\nImpact\n------\nThis flaw is only exploitable in applications that pass user input directly to restforce's select, find, describe, update, upsert, and destroy methods. \n\nVulnerable code might look like:\n```ruby\n  client.select('SomeSalesForceObject', params[:some-id],\n     ...)\n```\n\nIn such an application, attackers could pass `0016000000MRatd/describe`  as a request parameter, causing the server to make a request to a different endpoint than the server is designed to handle. Since the Salesforce REST API supports overriding HTTP methods via a request parameter, an attacker could also cause the client's `select()` method to modify data, by passing `0016000000MRatd/?_HttpMethod=PATCH\u0026other-query-params=...`.\n\nWorkarounds\n------\nIf possible, applications should track salesforce IDs internally, rather than passing user-supplied IDs to salesforce. Such practice mitigates this vulnerability, and in general is desirable for ensuring strong access control.","status":"published","published":"2018-08-03T21:04:02Z","modified":"2023-06-09T20:17:48Z","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"}],"cwes":["CWE-20","CWE-172"],"updated_at":"2026-11-02T14:36:53.103029Z"}],"nvd":[{"id":"CVE-2018-3777","description":"Insufficient URI encoding in restforce before 3.0.0 allows attacker to inject arbitrary parameters into Salesforce API requests.","status":"published","published":"2018-08-03T20:29:00.297Z","modified":"2026-06-17T01:57:48.65Z","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","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"}],"cwes":["CWE-20","CWE-172"],"updated_at":"2026-11-02T14:04:35.310988Z"}],"osv":[{"id":"CVE-2018-3777","description":"Insufficient URI encoding in restforce before 3.0.0 allows attacker to inject arbitrary parameters into Salesforce API requests.","status":"published","published":"2018-08-03T20:29:00.297Z","modified":"2026-10-20T10:50:27.871373476Z","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":"2026-11-02T15:44:09.442568Z"},{"id":"GHSA-534w-937m-v7x3","title":"restforce vulnerable to Improper Input Validation","description":"A flaw in how restforce constructs URLs may allow an attacker to inject additional parameters into Salesforce API requests.   \n\nImpact\n------\nThis flaw is only exploitable in applications that pass user input directly to restforce's select, find, describe, update, upsert, and destroy methods. \n\nVulnerable code might look like:\n```ruby\n  client.select('SomeSalesForceObject', params[:some-id],\n     ...)\n```\n\nIn such an application, attackers could pass `0016000000MRatd/describe`  as a request parameter, causing the server to make a request to a different endpoint than the server is designed to handle. Since the Salesforce REST API supports overriding HTTP methods via a request parameter, an attacker could also cause the client's `select()` method to modify data, by passing `0016000000MRatd/?_HttpMethod=PATCH\u0026other-query-params=...`.\n\nWorkarounds\n------\nIf possible, applications should track salesforce IDs internally, rather than passing user-supplied IDs to salesforce. Such practice mitigates this vulnerability, and in general is desirable for ensuring strong access control.","status":"published","published":"2018-08-03T21:04:02Z","modified":"2024-02-16T08:08:58.530532Z","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"}],"cwes":["CWE-172","CWE-20"],"updated_at":"2026-11-02T15:46:37.864461Z"}]}}