cbcvebase.
CVE-2020-25705
published 2020-11-17

CVE-2020-25705: 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…

PriorityP353high7.4CVSS 3.1
AVNACHPRNUINSUCHIHAN
EPSS
6.69%
93.2th percentile
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

Affected

14 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 5.9.6-1 (bookworm)linux 5.9.6-1 (bookworm)
googleandroid
linuxlinux_kernel< 5.10.05.10.0
linuxlinux_kernel>= 0 < 5.9.6-15.9.6-1
linuxlinux_kernel>= 0 < 5.9.6-15.9.6-1
linuxlinux_kernel>= 0 < 5.9.6-15.9.6-1
linuxlinux_kernel>= 0 < 5.9.6-15.9.6-1
linuxlinux_kernel>= 0 < 4.4.0-197.2294.4.0-197.229
linuxlinux_kernel>= 0 < 4.15.0-129.1324.15.0-129.132
linuxlinux_kernel>= 0 < 5.4.0-58.645.4.0-58.64
linuxlinux_kernel>= 0 < 5.4.0-56.625.4.0-56.62
msrccm1_kernel_5.4.91-1_on_cbl_mariner_1.0
redhatenterprise_linux
redhatenterprise_linux

CVSS provenance

nvdv3.17.4HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
nvdv2.05.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:N
osv8.2HIGH
vendor_ubuntu8.2HIGH
vendor_debian7.4HIGH
vendor_msrc7.4HIGH
vendor_redhat7.4HIGH
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