NVD

CVE-2020-25705 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

Current Description

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

View Analysis Description

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score: 7.4 HIGH

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: 5.8 MEDIUM

Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:N)

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-131-03

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-330	Use of Insufficiently Random Values	NIST Red Hat, Inc.

Known Affected Software Configurations Switch to CPE 2.2

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Change History

8 change records found show changes

CVE Modified by Red Hat, Inc. 5/18/2021 8:15:07 AM

Action	Type	Old Value	New Value
Changed	Description	A flaw in the way reply ICMP packets are limited in the Linux kernel functionality was found that allows to quickly scan open UDP ports. This flaw allows an off-path remote user to effectively bypassing source port UDP randomization. The highest threat from this vulnerability is to confidentiality and possibly integrity, because software that relies on UDP source port randomization are indirectly affected as well. Kernel versions before 5.10 may be vulnerable to this issue.	Record truncated, showing 500 of 747 characters. View Entire Change Record 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 pri
Added	Reference		https://us-cert.cisa.gov/ics/advisories/icsa-21-131-03 [No Types Assigned]
Removed	Reference	https://bugzilla.redhat.com/show_bug.cgi?id=1894579 [Issue Tracking, Patch, Third Party Advisory]
Removed	Reference	https://cert-portal.siemens.com/productcert/pdf/ssa-324955.pdf [No Types Assigned]
Removed	Reference	https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html [No Types Assigned]
Removed	Reference	https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html [No Types Assigned]
Removed	Reference	https://security.netapp.com/advisory/ntap-20201210-0002/ [No Types Assigned]

Initial Analysis by NIST 12/02/2020 9:18:49 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		OR cpe:2.3:o:linux:linux_kernel::::::::* versions up to (excluding) 5.10.0
Added	CPE Configuration		OR cpe:2.3:o:redhat:enterprise_linux:7.0::::::: cpe:2.3:o:redhat:enterprise_linux:8.0:::::::
Added	CVSS V2		NIST (AV:N/AC:L/Au:N/C:P/I:P/A:N)
Added	CVSS V3.1		NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Added	CWE		NIST CWE-330
Changed	Reference Type	https://bugzilla.redhat.com/show_bug.cgi?id=1894579 No Types Assigned	https://bugzilla.redhat.com/show_bug.cgi?id=1894579 Issue Tracking, Patch, Third Party Advisory

Quick Info

CVE Dictionary Entry:
CVE-2020-25705
NVD Published Date:
11/16/2020
NVD Last Modified:
05/18/2021
Source:
Red Hat, Inc.

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2020-25705 Detail

Current Description

Analysis Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Known Affected Software Configurations Switch to CPE 2.2

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Change History

CVE Modified by Red Hat, Inc. 5/14/2024 2:52:06 AM

CVE Modified by Red Hat, Inc. 5/18/2021 8:15:07 AM

CVE Modified by Red Hat, Inc. 5/11/2021 9:15:09 AM

CVE Modified by Red Hat, Inc. 12/18/2020 9:15:13 AM

CVE Modified by Red Hat, Inc. 12/10/2020 7:15:12 PM

CVE Modified by Red Hat, Inc. 12/10/2020 6:15:12 PM

Reanalysis by NIST 12/07/2020 2:52:29 PM

Initial Analysis by NIST 12/02/2020 9:18:49 AM

Quick Info