Executive Summary
This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations | |||
---|---|---|---|
Name | CVE-2021-20236 | First vendor Publication | 2021-05-28 |
Vendor | Cve | Last vendor Modification | 2023-11-07 |
Security-Database Scoring CVSS v3
Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | |||
---|---|---|---|
Overall CVSS Score | 9.8 | ||
Base Score | 9.8 | Environmental Score | 9.8 |
impact SubScore | 5.9 | Temporal Score | 9.8 |
Exploitabality Sub Score | 3.9 | ||
Attack Vector | Network | Attack Complexity | Low |
Privileges Required | None | User Interaction | None |
Scope | Unchanged | Confidentiality Impact | High |
Integrity Impact | High | Availability Impact | High |
Calculate full CVSS 3.0 Vectors scores |
Security-Database Scoring CVSS v2
Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P) | |||
---|---|---|---|
Cvss Base Score | 7.5 | Attack Range | Network |
Cvss Impact Score | 6.4 | Attack Complexity | Low |
Cvss Expoit Score | 10 | Authentication | None Required |
Calculate full CVSS 2.0 Vectors scores |
Detail
A flaw was found in the ZeroMQ server in versions before 4.3.3. This flaw allows a malicious client to cause a stack buffer overflow on the server by sending crafted topic subscription requests and then unsubscribing. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. |
Original Source
Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20236 |
CWE : Common Weakness Enumeration
% | Id | Name |
---|---|---|
100 % | CWE-787 | Out-of-bounds Write (CWE/SANS Top 25) |
CPE : Common Platform Enumeration
Type | Description | Count |
---|---|---|
Application | 1 | |
Application | 7 | |
Os | 1 | |
Os | 1 |
Sources (Detail)
Source | Url |
---|---|
MISC | https://bugzilla.redhat.com/show_bug.cgi?id=1921976 https://github.com/zeromq/libzmq/security/advisories/GHSA-qq65-x72m-9wr8 |
Alert History
Date | Informations |
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2023-11-07 21:34:51 |
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2022-08-05 21:27:38 |
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2021-06-02 21:23:09 |
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2021-05-29 05:22:45 |
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2021-05-28 17:22:49 |
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