{"id":"CVE-2020-8986","aliases":["EUVD-2020-29816","GHSA-7253-wxw3-45mw"],"status":"published","title":"lib/NSSDropbox.php in ZendTo prior to 5.22-2 Beta failed to properly check for equality when...","description":"lib/NSSDropbox.php in ZendTo prior to 5.22-2 Beta failed to properly check for equality when validating the session cookie, allowing an attacker to gain administrative access with a large number of 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":"2026-11-09","score":0.01541,"percentile":0.75116,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-754"],"published":"2020-03-24T20:12:27Z","modified":"2026-06-17T03:27:18Z","products":[{"vendor":"zend","product":"zendto"}],"references":[{"url":"https://zend.to/changelog.php","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8986"},{"url":"https://github.com/advisories/GHSA-7253-wxw3-45mw"}],"sources":{"cve":[{"id":"CVE-2020-8986","description":"lib/NSSDropbox.php in ZendTo prior to 5.22-2 Beta failed to properly check for equality when validating the session cookie, allowing an attacker to gain administrative access with a large number of requests.","status":"published","published":"2020-03-24T20:12:27Z","modified":"2024-08-04T10:19:19.814Z","updated_at":"2026-11-02T14:35:50.88562Z"}],"euvd":[{"id":"EUVD-2020-29816","description":"lib/NSSDropbox.php in ZendTo prior to 5.22-2 Beta failed to properly check for equality when validating the session cookie, allowing an attacker to gain administrative access with a large number of requests.","status":"published","published":"2020-03-24T20:12:27Z","modified":"2024-08-04T10:19:19Z","updated_at":"2026-11-03T03:07:55.71159Z"}],"ghsa":[{"id":"GHSA-7253-wxw3-45mw","title":"lib/NSSDropbox.php in ZendTo prior to 5.22-2 Beta failed to properly check for equality when...","description":"lib/NSSDropbox.php in ZendTo prior to 5.22-2 Beta failed to properly check for equality when validating the session cookie, allowing an attacker to gain administrative access with a large number of requests.","status":"published","published":"2022-05-24T17:12:36Z","modified":"2023-01-29T05:02:12Z","updated_at":"2026-11-02T14:45:01.015636Z"}],"nvd":[{"id":"CVE-2020-8986","description":"lib/NSSDropbox.php in ZendTo prior to 5.22-2 Beta failed to properly check for equality when validating the session cookie, allowing an attacker to gain administrative access with a large number of requests.","status":"published","published":"2020-03-24T21:15:15.55Z","modified":"2026-06-17T03:27:18.017Z","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-754"],"updated_at":"2026-11-02T14:05:56.580228Z"}]}}