CVE-2020-25705
HighA 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
CVSS 3.1 score
7.4
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness type
CWE-330CVE-2020-25705 is classified as CWE-330
See CWE-330 on MITRE CWE for full details on this weakness type.
References
The following references provide additional information about CVE-2020-25705 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
Frequently asked questions
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What is CVE-2020-25705?
CVE-2020-25705 is a High severity Linux kernel vulnerability with a CVSS score of 7.4 out of 10 . CVE-2020-25705 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2020-25705?
CVE-2020-25705 has a CVSS score of 7.4 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N. -
Is there a patch available for CVE-2020-25705?
No patch is currently available for CVE-2020-25705. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2020-25705 actively exploited?
No — CVE-2020-25705 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.