{"id":"CVE-2020-10560","aliases":["EUVD-2020-3012","GHSA-4ppm-32h4-4764"],"status":"published","title":"An issue was discovered in Open Source Social Network (OSSN) through 5.3. A user-controlled file...","description":"An issue was discovered in Open Source Social Network (OSSN) through 5.3. A user-controlled file path with a weak cryptographic rand() can be used to read any file with the permissions of the webserver. This can lead to further compromise. The attacker must conduct a brute-force attack against the SiteKey to insert into a crafted URL for components/OssnComments/ossn_com.php and/or libraries/ossn.lib.upgrade.php.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.03797,"percentile":0.90137,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-327","CWE-338"],"published":"2020-03-30T12:04:45Z","modified":"2026-06-17T02:48:00Z","exploits":[{"source":"pocgithub","id":"alex-seymour/CVE-2020-10560-Key-Recovery","title":"alex-seymour/CVE-2020-10560-Key-Recovery","date":"2020-03-10","url":"https://github.com/alex-seymour/CVE-2020-10560-Key-Recovery"},{"source":"pocgithub","id":"kevthehermit/CVE-2020-10560","title":"kevthehermit/CVE-2020-10560","date":"2020-03-28","url":"https://github.com/kevthehermit/CVE-2020-10560"}],"products":[{"vendor":"opensource-socialnetwork","product":"open_source_social_network"}],"references":[{"url":"https://techanarchy.net/blog/cve-2020-10560-ossn-arbitrary-file-read","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://github.com/LucidUnicorn/CVE-2020-10560-Key-Recovery","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-10560"},{"url":"https://github.com/advisories/GHSA-4ppm-32h4-4764"}],"sources":{"cve":[{"id":"CVE-2020-10560","description":"An issue was discovered in Open Source Social Network (OSSN) through 5.3. A user-controlled file path with a weak cryptographic rand() can be used to read any file with the permissions of the webserver. This can lead to further compromise. The attacker must conduct a brute-force attack against the SiteKey to insert into a crafted URL for components/OssnComments/ossn_com.php and/or libraries/ossn.lib.upgrade.php.","status":"published","published":"2020-03-30T12:04:45Z","modified":"2024-08-04T11:06:09.501Z","updated_at":"2026-11-02T14:35:48.213211Z"}],"euvd":[{"id":"EUVD-2020-3012","description":"An issue was discovered in Open Source Social Network (OSSN) through 5.3. A user-controlled file path with a weak cryptographic rand() can be used to read any file with the permissions of the webserver. This can lead to further compromise. The attacker must conduct a brute-force attack against the SiteKey to insert into a crafted URL for components/OssnComments/ossn_com.php and/or libraries/ossn.lib.upgrade.php.","status":"published","published":"2020-03-30T12:04:45Z","modified":"2024-08-04T11:06:09Z","updated_at":"2026-11-03T03:07:49.909738Z"}],"ghsa":[{"id":"GHSA-4ppm-32h4-4764","title":"An issue was discovered in Open Source Social Network (OSSN) through 5.3. A user-controlled file...","description":"An issue was discovered in Open Source Social Network (OSSN) through 5.3. A user-controlled file path with a weak cryptographic rand() can be used to read any file with the permissions of the webserver. This can lead to further compromise. The attacker must conduct a brute-force attack against the SiteKey to insert into a crafted URL for components/OssnComments/ossn_com.php and/or libraries/ossn.lib.upgrade.php.","status":"published","published":"2022-05-24T17:12:56Z","modified":"2023-01-29T05:02:15Z","cwes":["CWE-327"],"updated_at":"2026-11-02T14:45:02.058324Z"}],"nvd":[{"id":"CVE-2020-10560","description":"An issue was discovered in Open Source Social Network (OSSN) through 5.3. A user-controlled file path with a weak cryptographic rand() can be used to read any file with the permissions of the webserver. This can lead to further compromise. The attacker must conduct a brute-force attack against the SiteKey to insert into a crafted URL for components/OssnComments/ossn_com.php and/or libraries/ossn.lib.upgrade.php.","status":"published","published":"2020-03-30T13:15:12.863Z","modified":"2026-06-17T02:48:00.183Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-338"],"updated_at":"2026-11-02T14:05:56.580228Z"}]}}