{"id":"CVE-2020-25705","details":"A flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports. This flaw allows an off-path remote attacker to effectively bypass source port UDP randomization. Software that relies on UDP source port randomization are indirectly affected as well on the Linux Based Products (RUGGEDCOM RM1224: All versions between v5.0 and v6.4, SCALANCE M-800: All versions between v5.0 and v6.4, SCALANCE S615: All versions between v5.0 and v6.4, SCALANCE SC-600: All versions prior to v2.1.3, SCALANCE W1750D: v8.3.0.1, v8.6.0, and v8.7.0, SIMATIC Cloud Connect 7: All versions, SIMATIC MV500 Family: All versions, SIMATIC NET CP 1243-1 (incl. SIPLUS variants): Versions 3.1.39 and later, SIMATIC NET CP 1243-7 LTE EU: Version","aliases":["A-174737972","ASB-A-174737972"],"modified":"2026-03-14T10:06:54.681278Z","published":"2020-11-17T02:15:13.427Z","related":["ALSA-2021:0558","MGASA-2021-0030","MGASA-2021-0031","SUSE-SU-2020:3273-1","SUSE-SU-2020:3281-1","SUSE-SU-2020:3326-1","SUSE-SU-2020:3484-1","SUSE-SU-2020:3491-1","SUSE-SU-2020:3501-1","SUSE-SU-2020:3503-1","SUSE-SU-2020:3507-1","SUSE-SU-2020:3512-1","SUSE-SU-2020:3513-1","SUSE-SU-2020:3522-1","SUSE-SU-2020:3532-1","SUSE-SU-2020:3544-1","SUSE-SU-2020:3651-1","SUSE-SU-2020:3670-1","SUSE-SU-2020:3690-1","SUSE-SU-2020:3717-1","SUSE-SU-2020:3764-1","openSUSE-SU-2020:1906-1","openSUSE-SU-2020:2034-1","openSUSE-SU-2020:2112-1","openSUSE-SU-2020:2161-1","openSUSE-SU-2021:0242-1","openSUSE-SU-2024:11370-1","openSUSE-SU-2024:11371-1"],"references":[{"type":"ADVISORY","url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-131-03"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-25705.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"5.10.0"}]},{"events":[{"introduced":"0"},{"last_affected":"7.0"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}