{"id":"CVE-2013-5521","aliases":["EUVD-2013-5361","GHSA-x33p-qmp7-g8rf"],"status":"published","title":"Cisco Identity Services Engine does not properly restrict the creation of guest accounts, which...","description":"Cisco Identity Services Engine does not properly restrict the creation of guest accounts, which allows remote attackers to cause a denial of service (exhaustion of the account supply) via a series of requests within one session, aka Bug ID CSCue94287.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01232,"percentile":0.69175,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-264"],"published":"2013-10-25T01:00:00Z","modified":"2026-06-16T23:58:57Z","products":[{"vendor":"cisco","product":"identity_services_engine_software"}],"references":[{"url":"http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5521","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-5521"},{"url":"https://github.com/advisories/GHSA-x33p-qmp7-g8rf"}],"sources":{"cve":[{"id":"CVE-2013-5521","description":"Cisco Identity Services Engine does not properly restrict the creation of guest accounts, which allows remote attackers to cause a denial of service (exhaustion of the account supply) via a series of requests within one session, aka Bug ID CSCue94287.","status":"published","published":"2013-10-25T01:00:00Z","modified":"2024-09-16T23:50:40.424Z","updated_at":"2026-11-02T14:34:55.098814Z"}],"euvd":[{"id":"EUVD-2013-5361","description":"Cisco Identity Services Engine does not properly restrict the creation of guest accounts, which allows remote attackers to cause a denial of service (exhaustion of the account supply) via a series of requests within one session, aka Bug ID CSCue94287.","status":"published","published":"2013-10-25T01:00:00Z","modified":"2024-09-16T23:50:40Z","updated_at":"2026-11-03T00:29:04.923307Z"}],"ghsa":[{"id":"GHSA-x33p-qmp7-g8rf","title":"Cisco Identity Services Engine does not properly restrict the creation of guest accounts, which...","description":"Cisco Identity Services Engine does not properly restrict the creation of guest accounts, which allows remote attackers to cause a denial of service (exhaustion of the account supply) via a series of requests within one session, aka Bug ID CSCue94287.","status":"published","published":"2022-05-17T04:59:19Z","modified":"2023-01-28T05:02:48Z","updated_at":"2026-11-02T14:43:51.142982Z"}],"nvd":[{"id":"CVE-2013-5521","description":"Cisco Identity Services Engine does not properly restrict the creation of guest accounts, which allows remote attackers to cause a denial of service (exhaustion of the account supply) via a series of requests within one session, aka Bug ID CSCue94287.","status":"published","published":"2013-10-25T03:52:54.953Z","modified":"2026-06-16T23:58:57.107Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-264"],"updated_at":"2026-11-02T14:02:40.988689Z"}]}}