Executive Summary
Informations | |||
---|---|---|---|
Name | CVE-2021-27393 | First vendor Publication | 2021-04-22 |
Vendor | Cve | Last vendor Modification | 2022-04-22 |
Security-Database Scoring CVSS v3
Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N | |||
---|---|---|---|
Overall CVSS Score | 5.3 | ||
Base Score | 5.3 | Environmental Score | 5.3 |
impact SubScore | 1.4 | Temporal Score | 5.3 |
Exploitabality Sub Score | 3.9 | ||
Attack Vector | Network | Attack Complexity | Low |
Privileges Required | None | User Interaction | None |
Scope | Unchanged | Confidentiality Impact | None |
Integrity Impact | Low | Availability Impact | None |
Calculate full CVSS 3.0 Vectors scores |
Security-Database Scoring CVSS v2
Cvss vector : (AV:N/AC:L/Au:N/C:N/I:P/A:N) | |||
---|---|---|---|
Cvss Base Score | 5 | Attack Range | Network |
Cvss Impact Score | 2.9 | Attack Complexity | Low |
Cvss Expoit Score | 10 | Authentication | None Required |
Calculate full CVSS 2.0 Vectors scores |
Detail
A vulnerability has been identified in Nucleus NET (All versions), Nucleus ReadyStart V3 (All versions < V2013.08), Nucleus Source Code (Versions including affected DNS modules). The DNS client does not properly randomize UDP port numbers of DNS requests. That could allow an attacker to poison the DNS cache or spoof DNS resolving. |
Original Source
Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27393 |
CWE : Common Weakness Enumeration
% | Id | Name |
---|---|---|
100 % | CWE-330 | Use of Insufficiently Random Values |
CPE : Common Platform Enumeration
Type | Description | Count |
---|---|---|
Application | 1 | |
Application | 1 | |
Application | 1 |
Sources (Detail)
Source | Url |
---|---|
MISC | https://cert-portal.siemens.com/productcert/pdf/ssa-201384.pdf |
Alert History
Date | Informations |
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2022-04-23 00:23:19 |
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2022-01-11 17:23:07 |
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2021-11-18 05:23:12 |
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2021-11-11 09:23:12 |
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2021-11-10 09:23:30 |
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2021-11-09 17:23:06 |
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2021-05-04 13:23:39 |
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2021-04-30 17:22:49 |
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2021-04-23 01:10:35 |
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