{"id":"CVE-2003-0556","aliases":["EUVD-2003-0550","GHSA-pcqp-c29m-vvc7"],"status":"published","title":"Polycom MGC 25 allows remote attackers to cause a denial of service (crash) via a large number of...","description":"Polycom MGC 25 allows remote attackers to cause a denial of service (crash) via a large number of \"user\" requests to the control port 5003, as demonstrated using the blast TCP stress tester.","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":"2026-11-09","score":0.01258,"percentile":0.69776,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2003-07-15T04:00:00Z","modified":"2026-06-16T22:02:25Z","products":[{"vendor":"polycom","product":"mgc-100"},{"vendor":"polycom","product":"mgc-25"},{"vendor":"polycom","product":"mgc-50"}],"references":[{"url":"http://marc.info/?l=bugtraq\u0026m=105804648003163\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://lists.grok.org.uk/pipermail/full-disclosure/2003-July/006494.html","tags":["mailing-list","x_refsource_FULLDISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2003-0556"},{"url":"https://github.com/advisories/GHSA-pcqp-c29m-vvc7"}],"sources":{"cve":[{"id":"CVE-2003-0556","description":"Polycom MGC 25 allows remote attackers to cause a denial of service (crash) via a large number of \"user\" requests to the control port 5003, as demonstrated using the blast TCP stress tester.","status":"published","published":"2003-07-15T04:00:00Z","modified":"2024-08-08T01:58:11.02Z","updated_at":"2026-11-02T14:20:17.11067Z"}],"euvd":[{"id":"EUVD-2003-0550","description":"Polycom MGC 25 allows remote attackers to cause a denial of service (crash) via a large number of \"user\" requests to the control port 5003, as demonstrated using the blast TCP stress tester.","status":"published","published":"2003-07-15T04:00:00Z","modified":"2024-08-08T01:58:11Z","updated_at":"2026-11-03T01:15:06.866577Z"}],"ghsa":[{"id":"GHSA-pcqp-c29m-vvc7","title":"Polycom MGC 25 allows remote attackers to cause a denial of service (crash) via a large number of...","description":"Polycom MGC 25 allows remote attackers to cause a denial of service (crash) via a large number of \"user\" requests to the control port 5003, as demonstrated using the blast TCP stress tester.","status":"published","published":"2022-04-29T01:26:37Z","modified":"2023-01-30T05:01:25Z","updated_at":"2026-11-02T14:46:24.524248Z"}],"nvd":[{"id":"CVE-2003-0556","description":"Polycom MGC 25 allows remote attackers to cause a denial of service (crash) via a large number of \"user\" requests to the control port 5003, as demonstrated using the blast TCP stress tester.","status":"published","published":"2003-08-18T04:00:00Z","modified":"2026-06-16T22:02:25.84Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:46.710758Z"}]}}