{"id":"CVE-2019-18863","aliases":["EUVD-2019-8558","GHSA-68jq-f8j4-qrjp"],"status":"published","title":"A key length vulnerability in the implementation of the SRTP 128-bit key on Mitel 6800 and 6900...","description":"A key length vulnerability in the implementation of the SRTP 128-bit key on Mitel 6800 and 6900 SIP series phones, versions 5.1.0.2051 SP2 and earlier, could allow an attacker to launch a man-in-the-middle attack when SRTP is used in a call. A successful exploit may allow the attacker to intercept sensitive information.","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":"2026-11-09","score":0.00513,"percentile":0.44027,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-319","CWE-326"],"published":"2020-03-02T17:52:37Z","modified":"2026-06-17T02:25:29Z","products":[{"vendor":"mitel","product":"6863i_firmware"},{"vendor":"mitel","product":"6865i_firmware"},{"vendor":"mitel","product":"6867i_firmware"},{"vendor":"mitel","product":"6869i_firmware"},{"vendor":"mitel","product":"6873i_firmware"},{"vendor":"mitel","product":"6920_firmware"},{"vendor":"mitel","product":"6930_firmware"},{"vendor":"mitel","product":"6940_firmware"}],"references":[{"url":"https://www.mitel.com/support/security-advisories","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-19-0006","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-18863"},{"url":"https://github.com/advisories/GHSA-68jq-f8j4-qrjp"}],"sources":{"cve":[{"id":"CVE-2019-18863","description":"A key length vulnerability in the implementation of the SRTP 128-bit key on Mitel 6800 and 6900 SIP series phones, versions 5.1.0.2051 SP2 and earlier, could allow an attacker to launch a man-in-the-middle attack when SRTP is used in a call. A successful exploit may allow the attacker to intercept sensitive information.","status":"published","published":"2020-03-02T17:52:37Z","modified":"2024-08-05T02:02:39.895Z","updated_at":"2026-11-02T14:32:23.803059Z"}],"euvd":[{"id":"EUVD-2019-8558","description":"A key length vulnerability in the implementation of the SRTP 128-bit key on Mitel 6800 and 6900 SIP series phones, versions 5.1.0.2051 SP2 and earlier, could allow an attacker to launch a man-in-the-middle attack when SRTP is used in a call. A successful exploit may allow the attacker to intercept sensitive information.","status":"published","published":"2020-03-02T17:52:37Z","modified":"2024-08-05T02:02:39Z","updated_at":"2026-11-03T02:40:27.303586Z"}],"ghsa":[{"id":"GHSA-68jq-f8j4-qrjp","title":"A key length vulnerability in the implementation of the SRTP 128-bit key on Mitel 6800 and 6900...","description":"A key length vulnerability in the implementation of the SRTP 128-bit key on Mitel 6800 and 6900 SIP series phones, versions 5.1.0.2051 SP2 and earlier, could allow an attacker to launch a man-in-the-middle attack when SRTP is used in a call. A successful exploit may allow the attacker to intercept sensitive information.","status":"published","published":"2022-05-24T17:09:59Z","modified":"2023-01-29T05:01:38Z","cwes":["CWE-319"],"updated_at":"2026-11-02T14:44:52.661438Z"}],"nvd":[{"id":"CVE-2019-18863","description":"A key length vulnerability in the implementation of the SRTP 128-bit key on Mitel 6800 and 6900 SIP series phones, versions 5.1.0.2051 SP2 and earlier, could allow an attacker to launch a man-in-the-middle attack when SRTP is used in a call. A successful exploit may allow the attacker to intercept sensitive information.","status":"published","published":"2020-03-02T18:15:10.667Z","modified":"2026-06-17T02:25:29.563Z","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-326"],"updated_at":"2026-11-02T14:05:43.875329Z"}]}}