{"id":"CVE-2021-23803","aliases":["EUVD-2022-0484","GHSA-6pj2-5fqq-xvjc","SNYK-PHP-LATTELATTE-1932226","UBUNTU-CVE-2021-23803"],"status":"published","title":"Access Control Bypass","description":"This affects the package latte/latte before 2.10.6. There is a way to bypass allowFunctions that will affect the security of the application. When the template is set to allow/disallow the use of certain functions, adding control characters (x00-x08) after the function will bypass these restrictions.","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/E:P","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01628,"percentile":0.76496,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2021-12-17T20:05:25Z","modified":"2026-10-20T10:53:38Z","fixes":[{"ecosystem":"Packagist","package":"latte/latte","fixed_in":["2.10.6"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"latte/latte","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.10.6"}]}]},{"source":"osv","ecosystem":"Packagist","package":"latte/latte","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.10.6"}]}],"versions":["v2.10.1","v2.10.2","v2.10.3","v2.10.4","v2.10.5","v2.2.0","v2.2.1","v2.2.2","v2.2.3","v2.2.4","v2.2.5","v2.2.6","v2.2.7","v2.2.8","v2.2.9","v2.3.0","v2.3.1","v2.3.10","v2.3.11","v2.3.12","v2.3.13","v2.3.2","v2.3.3","v2.3.4","v2.3.5","v2.3.6","v2.3.7","v2.3.8","v2.3.9","v2.4.0","v2.4.1","v2.4.2","v2.4.3","v2.4.4","v2.4.5","v2.4.6","v2.4.7","v2.4.8","v2.4.9","v2.5.0","v2.5.1","v2.5.2","v2.5.3","v2.5.4","v2.5.5","v2.5.6","v2.5.7","v2.6.0","v2.6.1","v2.6.2","v2.6.3","v2.6.4","v2.7.0","v2.7.1","v2.7.2","v2.7.3","v2.7.4","v2.8.0","v2.8.1","v2.8.2","v2.8.3","v2.8.4","v2.8.5","v2.8.6","v2.8.7","v2.8.8","v2.9.0","v2.9.1","v2.9.2","v2.9.3","v2.9.4","v2.9.5","v2.9.6"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"php-nette","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.3.4-1","2.3.5-1","2.3.7-1","2.3.8-1","2.3.8-1ubuntu1","2.3.8-1ubuntu1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"php-nette","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4-20160731-1","2.4-20160731-1ubuntu0.1"]}],"products":[{"vendor":"nette","product":"latte"}],"references":[{"url":"https://snyk.io/vuln/SNYK-PHP-LATTELATTE-1932226","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory","fix","web","report"]},{"url":"https://github.com/nette/latte/issues/279","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix","web","report"]},{"url":"https://github.com/nette/latte/commit/227c86eda9a8a6d060ea8501923e768b6d992210","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23803","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-6pj2-5fqq-xvjc"},{"url":"https://github.com/nette/latte","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2021-23803","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-23803","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-23803","title":"Access Control Bypass","description":"This affects the package latte/latte before 2.10.6. There is a way to bypass allowFunctions that will affect the security of the application. When the template is set to allow/disallow the use of certain functions, adding control characters (x00-x08) after the function will bypass these restrictions.","status":"published","published":"2021-12-17T20:05:25.479Z","modified":"2024-09-16T17:48:03.457Z","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/E:P","level":"critical","assessor":"cna"}],"updated_at":"2026-11-02T14:33:00.819444Z"}],"euvd":[{"id":"EUVD-2022-0484","description":"This affects the package latte/latte before 2.10.6. There is a way to bypass allowFunctions that will affect the security of the application. When the template is set to allow/disallow the use of certain functions, adding control characters (x00-x08) after the function will bypass these restrictions.","status":"published","published":"2021-12-17T20:05:25Z","modified":"2024-09-16T17:48:03Z","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/E:P","level":"critical"}],"updated_at":"2026-11-03T00:55:38.742114Z"}],"ghsa":[{"id":"GHSA-6pj2-5fqq-xvjc","title":"Incorrect Authorization in latte/latte","description":"This affects the package latte/latte before 2.10.6. There is a way to bypass allowFunctions that will affect the security of the application. When the template is set to allow/disallow the use of certain functions, adding control characters (x00-x08) after the function will bypass these restrictions.","status":"published","published":"2022-01-06T20:56:27Z","modified":"2023-02-01T05:06:52Z","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-863"],"updated_at":"2026-11-02T14:36:39.76883Z"}],"nvd":[{"id":"CVE-2021-23803","description":"This affects the package latte/latte before 2.10.6. There is a way to bypass allowFunctions that will affect the security of the application. When the template is set to allow/disallow the use of certain functions, adding control characters (x00-x08) after the function will bypass these restrictions.","status":"published","published":"2021-12-17T20:15:08.287Z","modified":"2026-06-17T03:38:53.277Z","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":"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"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:07:02.566991Z"}],"osv":[{"id":"CVE-2021-23803","description":"This affects the package latte/latte before 2.10.6. There is a way to bypass allowFunctions that will affect the security of the application. When the template is set to allow/disallow the use of certain functions, adding control characters (x00-x08) after the function will bypass these restrictions.","status":"published","published":"2021-12-17T20:15:08.287Z","modified":"2026-10-20T10:53:38.196260747Z","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":"2026-11-02T15:44:18.778776Z"},{"id":"GHSA-6pj2-5fqq-xvjc","title":"Incorrect Authorization in latte/latte","description":"This affects the package latte/latte before 2.10.6. There is a way to bypass allowFunctions that will affect the security of the application. When the template is set to allow/disallow the use of certain functions, adding control characters (x00-x08) after the function will bypass these restrictions.","status":"published","published":"2022-01-06T20:56:27Z","modified":"2026-07-08T06:49:54.495161266Z","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-863"],"updated_at":"2026-11-02T15:46:39.965326Z"},{"id":"UBUNTU-CVE-2021-23803","description":"This affects the package latte/latte before 2.10.6. There is a way to bypass allowFunctions that will affect the security of the application. When the template is set to allow/disallow the use of certain functions, adding control characters (x00-x08) after the function will bypass these restrictions.","status":"published","published":"2021-12-17T20:15:00Z","modified":"2025-10-24T04:50:09Z","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"},{"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":"2026-11-02T15:54:26.779273Z"}]}}