{"id":"CVE-2021-37704","aliases":["EUVD-2021-1686","GHSA-cvh5-p6r6-g2qc"],"status":"published","title":"Exposed phpinfo() in PhpFastCache","description":"PhpFastCache is a high-performance backend cache system (packagist package phpfastcache/phpfastcache). In versions before 6.1.5, 7.1.2, and 8.0.7 the `phpinfo()` can be exposed if the `/vendor` is not protected from public access. This is a rare situation today since the vendor directory is often located outside the web directory or protected via server rule (.htaccess, etc). Only the v6, v7 and v8 will be patched respectively in 8.0.7, 7.1.2, 6.1.5. Older versions such as v5, v4 are not longer supported and will **NOT** be patched. As a workaround, protect the `/vendor` directory from public access.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.05128,"percentile":0.92508,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200","CWE-668"],"published":"2021-08-12T20:05:16Z","modified":"2026-10-20T10:54:50Z","exploits":[{"source":"nuclei","id":"CVE-2021-37704","title":"phpfastcache - phpinfo Resource Exposure","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-37704.yaml"}],"fixes":[{"ecosystem":"Packagist","package":"phpfastcache/phpfastcache","fixed_in":["6.1.5","7.1.2","8.0.7"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"phpfastcache/phpfastcache","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.5"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"phpfastcache/phpfastcache","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.0.0"},{"fixed":"7.1.2"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"phpfastcache/phpfastcache","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0"},{"fixed":"8.0.7"}]}]},{"source":"osv","ecosystem":"Packagist","package":"phpfastcache/phpfastcache","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.5"}]}],"versions":["2.4.2","2.4.3","3.0.0","3.0.1","3.0.10","3.0.11","3.0.12","3.0.13","3.0.14","3.0.15","3.0.16","3.0.17","3.0.18","3.0.19","3.0.2","3.0.20","3.0.21","3.0.22","3.0.23","3.0.24","3.0.25","3.0.26","3.0.27","3.0.28","3.0.3","3.0.4","3.0.5","3.0.6","3.0.7","3.0.8","3.0.9","3.1.0","3.1.1","4.0","4.0.1","4.0.10","4.0.11","4.0.12","4.0.13","4.0.14","4.0.15","4.0.16","4.0.17","4.0.18","4.0.2","4.0.2beta1","4.0.3","4.0.3-beta1","4.0.4","4.0.5","4.0.6","4.0.7","4.0.8","4.0.9","4.1.0","4.1.1","4.2.1","4.2.2","4.2.3","4.2.4","4.3","4.3.1","4.3.10","4.3.11","4.3.12","4.3.13","4.3.14","4.3.15","4.3.16","4.3.17","4.3.18","4.3.2","4.3.3","4.3.4","4.3.5","4.3.6","4.3.7","4.3.8","4.3.9","5.0.0","5.0.0-alpha1","5.0.0-alpha2","5.0.0-beta1","5.0.0-beta2","5.0.0-rc1","5.0.0-rc2","5.0.0-rc3","5.0.1","5.0.10","5.0.11","5.0.12","5.0.13","5.0.14","5.0.15","5.0.16","5.0.17","5.0.18","5.0.19","5.0.2","5.0.20","5.0.21","5.0.3","5.0.4","5.0.5","5.0.6","5.0.7","5.0.8","5.0.9","6.0.0","6.0.0-alpha","6.0.0-alpha2","6.0.0-beta1","6.0.0-beta2","6.0.0-rc1","6.0.0-rc2","6.0.0-rc3","6.0.0-rc4","6.0.1","6.0.2","6.0.3","6.0.4","6.0.5","6.0.6","6.0.7","6.0.8","6.1.0","6.1.1","6.1.2","6.1.3","6.1.4"]},{"source":"osv","ecosystem":"Packagist","package":"phpfastcache/phpfastcache","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.0.0"},{"fixed":"7.1.2"}]}],"versions":["7.0.0","7.0.1","7.0.2","7.0.3","7.0.4","7.0.5","7.1.0","7.1.1"]},{"source":"osv","ecosystem":"Packagist","package":"phpfastcache/phpfastcache","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"8.0.0"},{"fixed":"8.0.7"}]}],"versions":["8.0.0","8.0.1","8.0.2","8.0.3","8.0.4","8.0.5","8.0.6"]}],"products":[{"vendor":"phpfastcache","product":"phpfastcache"},{"vendor":"phpsocialnetwork","product":"phpfastcache"}],"references":[{"url":"https://github.com/PHPSocialNetwork/phpfastcache/security/advisories/GHSA-cvh5-p6r6-g2qc","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/flextype/flextype/issues/567","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report","web"]},{"url":"https://github.com/PHPSocialNetwork/phpfastcache/pull/813","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/PHPSocialNetwork/phpfastcache/pull/814","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/PHPSocialNetwork/phpfastcache/pull/815","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/PHPSocialNetwork/phpfastcache/commit/41a77d0d8f126dbd6fbedcd9e6a82e86cdaafa51","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://github.com/PHPSocialNetwork/phpfastcache/blob/master/CHANGELOG.md#807","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","advisory","web"]},{"url":"https://packagist.org/packages/phpfastcache/phpfastcache","tags":["x_refsource_MISC","x_transferred","Product","Third Party Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-37704","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-cvh5-p6r6-g2qc"}],"sources":{"cve":[{"id":"CVE-2021-37704","title":"Exposed phpinfo() in PhpFastCache","description":"PhpFastCache is a high-performance backend cache system (packagist package phpfastcache/phpfastcache). In versions before 6.1.5, 7.1.2, and 8.0.7 the `phpinfo()` can be exposed if the `/vendor` is not protected from public access. This is a rare situation today since the vendor directory is often located outside the web directory or protected via server rule (.htaccess, etc). Only the v6, v7 and v8 will be patched respectively in 8.0.7, 7.1.2, 6.1.5. Older versions such as v5, v4 are not longer supported and will **NOT** be patched. As a workaround, protect the `/vendor` directory from public access.","status":"published","published":"2021-08-12T20:05:16Z","modified":"2024-08-04T01:23:01.504Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:32:58.359368Z"}],"euvd":[{"id":"EUVD-2021-1686","description":"PhpFastCache is a high-performance backend cache system (packagist package phpfastcache/phpfastcache). In versions before 6.1.5, 7.1.2, and 8.0.7 the `phpinfo()` can be exposed if the `/vendor` is not protected from public access. This is a rare situation today since the vendor directory is often located outside the web directory or protected via server rule (.htaccess, etc). Only the v6, v7 and v8 will be patched respectively in 8.0.7, 7.1.2, 6.1.5. Older versions such as v5, v4 are not longer supported and will **NOT** be patched. As a workaround, protect the `/vendor` directory from public access.","status":"published","published":"2021-08-12T20:05:16Z","modified":"2024-08-04T01:23:01Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T03:24:27.254804Z"}],"ghsa":[{"id":"GHSA-cvh5-p6r6-g2qc","title":"Exposed phpinfo() leadked via documentation files","description":"### Impact\nThe `phpinfo()` can be exposed if the `/vendor` is not protected from public access. This is a rare situation today since the vendor directory is often located outside the web directory or protected via server rule (.htaccess, etc).\n\n### Patches\nOnly the v6, v7 and v8 will be patched respectively in 8.0.7, 7.1.2, 6.1.5.\nOlder versions such as v5, v4 are not longer supported and will **NOT** be patched.\n\n### Workarounds\nProtect the `/vendor` directory from public access.\n\n### References\nThe first issue revealing this vulnerability is located here: https://github.com/flextype/flextype/issues/567\nV6 fix: https://github.com/PHPSocialNetwork/phpfastcache/pull/815\nV7 fix: https://github.com/PHPSocialNetwork/phpfastcache/pull/814\nV8 fix: https://github.com/PHPSocialNetwork/phpfastcache/pull/813\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [our issue tracker](https://github.com/PHPSocialNetwork/phpfastcache/issues)\n* Email us at [security@geolim4.com](mailto:security@geolim4.com)\n","status":"published","published":"2021-08-30T16:13:40Z","modified":"2023-02-01T05:06:24Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"cwes":["CWE-200","CWE-668"],"updated_at":"2026-11-02T14:36:38.281533Z"}],"nvd":[{"id":"CVE-2021-37704","description":"PhpFastCache is a high-performance backend cache system (packagist package phpfastcache/phpfastcache). In versions before 6.1.5, 7.1.2, and 8.0.7 the `phpinfo()` can be exposed if the `/vendor` is not protected from public access. This is a rare situation today since the vendor directory is often located outside the web directory or protected via server rule (.htaccess, etc). Only the v6, v7 and v8 will be patched respectively in 8.0.7, 7.1.2, 6.1.5. Older versions such as v5, v4 are not longer supported and will **NOT** be patched. As a workaround, protect the `/vendor` directory from public access.","status":"published","published":"2021-08-12T20:15:07.267Z","modified":"2026-06-17T04:01:01.28Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200","CWE-668"],"updated_at":"2026-11-02T14:06:56.943671Z"}],"osv":[{"id":"CVE-2021-37704","description":"PhpFastCache is a high-performance backend cache system (packagist package phpfastcache/phpfastcache). In versions before 6.1.5, 7.1.2, and 8.0.7 the `phpinfo()` can be exposed if the `/vendor` is not protected from public access. This is a rare situation today since the vendor directory is often located outside the web directory or protected via server rule (.htaccess, etc). Only the v6, v7 and v8 will be patched respectively in 8.0.7, 7.1.2, 6.1.5. Older versions such as v5, v4 are not longer supported and will **NOT** be patched. As a workaround, protect the `/vendor` directory from public access.","status":"published","published":"2021-08-12T20:15:07.267Z","modified":"2026-10-20T10:54:50.17581017Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:20.434873Z"},{"id":"GHSA-cvh5-p6r6-g2qc","title":"Exposed phpinfo() leadked via documentation files","description":"### Impact\nThe `phpinfo()` can be exposed if the `/vendor` is not protected from public access. This is a rare situation today since the vendor directory is often located outside the web directory or protected via server rule (.htaccess, etc).\n\n### Patches\nOnly the v6, v7 and v8 will be patched respectively in 8.0.7, 7.1.2, 6.1.5.\nOlder versions such as v5, v4 are not longer supported and will **NOT** be patched.\n\n### Workarounds\nProtect the `/vendor` directory from public access.\n\n### References\nThe first issue revealing this vulnerability is located here: https://github.com/flextype/flextype/issues/567\nV6 fix: https://github.com/PHPSocialNetwork/phpfastcache/pull/815\nV7 fix: https://github.com/PHPSocialNetwork/phpfastcache/pull/814\nV8 fix: https://github.com/PHPSocialNetwork/phpfastcache/pull/813\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [our issue tracker](https://github.com/PHPSocialNetwork/phpfastcache/issues)\n* Email us at [security@geolim4.com](mailto:security@geolim4.com)\n","status":"published","published":"2021-08-30T16:13:40Z","modified":"2026-09-10T03:49:07.93625398Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"cwes":["CWE-200","CWE-668"],"updated_at":"2026-11-02T15:46:45.639885Z"}]}}