CVE-2020-25705CWE-330

A flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports

published November 17, 2020

CVSS
—
EPSS
7%
Percentile
93.9
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.06692 · 93.9th percentile
Weakness
CWE-330 · Use of Insufficiently Random Values
Published
2020-11-17T01:16Z
EPSS history
Timeline
  • 17 NOV 01:16Z
    A flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports
    cvelistv5