{"id":"CVE-2013-4593","aliases":["EUVD-2022-2099","GHSA-33vg-hpx5-pfxg"],"status":"published","title":"omniauth-facebook Improper Authentication vulnerability","description":"RubyGem omniauth-facebook has an access token security vulnerability","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01753,"percentile":0.78054,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2019-12-11T13:45:01Z","modified":"2026-06-16T23:57:31Z","fixes":[{"ecosystem":"RubyGems","package":"omniauth-facebook","fixed_in":["1.5.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"RubyGems","package":"omniauth-facebook","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.1"}]}]},{"source":"osv","ecosystem":"RubyGems","package":"omniauth-facebook","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.1"}]}],"versions":["1.0.0","1.0.0.rc1","1.0.0.rc2","1.1.0","1.2.0","1.3.0","1.4.0","1.4.1","1.5.0"]}],"products":[{"vendor":"omniauth-facebook","product":"omniauth-facebook"},{"vendor":"omniauth-facebook_project","product":"omniauth-facebook"}],"references":[{"url":"https://security-tracker.debian.org/tracker/CVE-2013-4593","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","web"]},{"url":"https://access.redhat.com/security/cve/cve-2013-4593","tags":["x_refsource_MISC","x_transferred","Broken Link"]},{"url":"http://www.openwall.com/lists/oss-security/2013/11/18/6","tags":["x_refsource_MISC","x_transferred","Mailing List","Patch","Third Party Advisory","web"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/89040","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-4593","tags":["advisory"]},{"url":"https://github.com/simi/omniauth-facebook/commit/115c0a768cd6f4b9bfae8900f8e3fc4fbeec3ad8","tags":["web"]},{"url":"https://github.com/advisories/GHSA-33vg-hpx5-pfxg"},{"url":"https://github.com/simi/omniauth-facebook","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2013-4593","description":"RubyGem omniauth-facebook has an access token security vulnerability","status":"published","published":"2019-12-11T13:45:01Z","modified":"2024-08-06T16:45:14.95Z","updated_at":"2026-11-02T14:34:57.869657Z"}],"euvd":[{"id":"EUVD-2022-2099","description":"RubyGem omniauth-facebook has an access token security vulnerability","status":"published","published":"2019-12-11T13:45:01Z","modified":"2024-08-06T16:45:14Z","updated_at":"2026-11-03T01:56:31.067159Z"}],"ghsa":[{"id":"GHSA-33vg-hpx5-pfxg","title":"omniauth-facebook Improper Authentication vulnerability","description":"RubyGem omniauth-facebook has an access token security vulnerability.","status":"published","published":"2022-05-05T00:29:10Z","modified":"2023-01-26T23:53:28Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:36:14.825433Z"}],"nvd":[{"id":"CVE-2013-4593","description":"RubyGem omniauth-facebook has an access token security vulnerability","status":"published","published":"2019-12-11T14:15:09.583Z","modified":"2026-06-16T23:57:31.117Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:02:52.545039Z"}],"osv":[{"id":"GHSA-33vg-hpx5-pfxg","title":"omniauth-facebook Improper Authentication vulnerability","description":"RubyGem omniauth-facebook has an access token security vulnerability.","status":"published","published":"2022-05-05T00:29:10Z","modified":"2023-11-08T03:57:24.018018Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:46:35.050232Z"}]}}