{"id":"CVE-2019-9228","aliases":["EUVD-2019-18603","GHSA-8844-xm63-xpv5"],"status":"disputed","title":"** DISPUTED ** An issue was discovered on AudioCodes Mediant 500L-MSBR, 500-MBSR, M800B-MSBR and...","description":"An issue was discovered on AudioCodes Mediant 500L-MSBR, 500-MBSR, M800B-MSBR and 800C-MSBR devices with firmware versions F7.20A at least to 7.20A.252.062. The (1) management SSH and (2) management TELNET features allow remote attackers to cause a denial of service (connection slot exhaustion) via 5 unauthenticated connection attempts, because the maximum number of unauthenticated clients that can be configured is 5. NOTE: the vendor's position is that this is a \"design choice.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01812,"percentile":0.78782,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2019-07-19T22:45:35Z","modified":"2026-06-17T02:43:23Z","products":[{"vendor":"audiocodes","product":"median_500-msbr_firmware"},{"vendor":"audiocodes","product":"median_500l-msbr_firmware"},{"vendor":"audiocodes","product":"median_800c-msbr_firmware"},{"vendor":"audiocodes","product":"median_m800b-msbr_firmware"}],"references":[{"url":"https://www.cirosec.de/fileadmin/1._Unternehmen/1.4._Unsere_Kompetenzen/Security_Advisory_AudioCodes_Mediant_family.pdf","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-9228"},{"url":"https://github.com/advisories/GHSA-8844-xm63-xpv5"}],"sources":{"cve":[{"id":"CVE-2019-9228","description":"An issue was discovered on AudioCodes Mediant 500L-MSBR, 500-MBSR, M800B-MSBR and 800C-MSBR devices with firmware versions F7.20A at least to 7.20A.252.062. The (1) management SSH and (2) management TELNET features allow remote attackers to cause a denial of service (connection slot exhaustion) via 5 unauthenticated connection attempts, because the maximum number of unauthenticated clients that can be configured is 5. NOTE: the vendor's position is that this is a \"design choice.","status":"disputed","published":"2019-07-19T22:45:35Z","modified":"2024-08-04T21:38:46.568Z","updated_at":"2026-11-02T14:20:20.081405Z"}],"euvd":[{"id":"EUVD-2019-18603","description":"An issue was discovered on AudioCodes Mediant 500L-MSBR, 500-MBSR, M800B-MSBR and 800C-MSBR devices with firmware versions F7.20A at least to 7.20A.252.062. The (1) management SSH and (2) management TELNET features allow remote attackers to cause a denial of service (connection slot exhaustion) via 5 unauthenticated connection attempts, because the maximum number of unauthenticated clients that can be configured is 5. NOTE: the vendor's position is that this is a \"design choice.","status":"published","published":"2019-07-19T22:45:35Z","modified":"2024-08-04T21:38:46Z","updated_at":"2026-11-03T03:06:39.848951Z"}],"ghsa":[{"id":"GHSA-8844-xm63-xpv5","title":"** DISPUTED ** An issue was discovered on AudioCodes Mediant 500L-MSBR, 500-MBSR, M800B-MSBR and...","description":"** DISPUTED ** An issue was discovered on AudioCodes Mediant 500L-MSBR, 500-MBSR, M800B-MSBR and 800C-MSBR devices with firmware versions F7.20A at least to 7.20A.252.062. The (1) management SSH and (2) management TELNET features allow remote attackers to cause a denial of service (connection slot exhaustion) via 5 unauthenticated connection attempts, because the maximum number of unauthenticated clients that can be configured is 5. NOTE: the vendor's position is that this is a \"design choice.\"","status":"published","published":"2022-05-24T16:50:47Z","modified":"2024-03-30T05:01:38Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T14:55:44.65747Z"}],"nvd":[{"id":"CVE-2019-9228","description":"An issue was discovered on AudioCodes Mediant 500L-MSBR, 500-MBSR, M800B-MSBR and 800C-MSBR devices with firmware versions F7.20A at least to 7.20A.252.062. The (1) management SSH and (2) management TELNET features allow remote attackers to cause a denial of service (connection slot exhaustion) via 5 unauthenticated connection attempts, because the maximum number of unauthenticated clients that can be configured is 5. NOTE: the vendor's position is that this is a \"design choice.","status":"disputed","published":"2019-07-19T23:15:11.28Z","modified":"2026-06-17T02:43:23.77Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:05:20.616405Z"}]}}