{"id":"CVE-2020-5684","aliases":["EUVD-2020-26843","GHSA-87vv-9cj6-q2hc"],"status":"published","title":"iSM client versions from V5.1 prior to V12.1 running on NEC Storage Manager or NEC Storage...","description":"iSM client versions from V5.1 prior to V12.1 running on NEC Storage Manager or NEC Storage Manager Express does not verify a server certificate properly, which allows a man-in-the-middle attacker to eavesdrop on an encrypted communication or alter the communication via a crafted certificate.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00335,"percentile":0.27226,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2020-12-24T01:20:20Z","modified":"2026-06-17T03:22:05Z","products":[{"vendor":"nec","product":"ism_server"},{"vendor":"nec corporation","product":"management software for nec storage disk array system"}],"references":[{"url":"https://jpn.nec.com/security-info/secinfo/nv20-015.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://jvn.jp/en/jp/JVN10100024/index.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5684"},{"url":"https://github.com/advisories/GHSA-87vv-9cj6-q2hc"}],"sources":{"cve":[{"id":"CVE-2020-5684","description":"iSM client versions from V5.1 prior to V12.1 running on NEC Storage Manager or NEC Storage Manager Express does not verify a server certificate properly, which allows a man-in-the-middle attacker to eavesdrop on an encrypted communication or alter the communication via a crafted certificate.","status":"published","published":"2020-12-24T01:20:20Z","modified":"2024-08-04T08:39:25.823Z","updated_at":"2026-11-02T14:35:47.22408Z"}],"euvd":[{"id":"EUVD-2020-26843","description":"iSM client versions from V5.1 prior to V12.1 running on NEC Storage Manager or NEC Storage Manager Express does not verify a server certificate properly, which allows a man-in-the-middle attacker to eavesdrop on an encrypted communication or alter the communication via a crafted certificate.","status":"published","published":"2020-12-24T01:20:20Z","modified":"2024-08-04T08:39:25Z","updated_at":"2026-11-03T03:08:06.272693Z"}],"ghsa":[{"id":"GHSA-87vv-9cj6-q2hc","title":"iSM client versions from V5.1 prior to V12.1 running on NEC Storage Manager or NEC Storage...","description":"iSM client versions from V5.1 prior to V12.1 running on NEC Storage Manager or NEC Storage Manager Express does not verify a server certificate properly, which allows a man-in-the-middle attacker to eavesdrop on an encrypted communication or alter the communication via a crafted certificate.","status":"published","published":"2022-05-24T17:37:16Z","modified":"2023-01-29T05:04:50Z","cwes":["CWE-295"],"updated_at":"2026-11-02T14:45:39.24589Z"}],"nvd":[{"id":"CVE-2020-5684","description":"iSM client versions from V5.1 prior to V12.1 running on NEC Storage Manager or NEC Storage Manager Express does not verify a server certificate properly, which allows a man-in-the-middle attacker to eavesdrop on an encrypted communication or alter the communication via a crafted certificate.","status":"published","published":"2020-12-24T02:15:12.957Z","modified":"2026-06-17T03:22:05.383Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:06:27.73474Z"}]}}