Executive Summary
Informations | |||
---|---|---|---|
Name | CVE-2021-27245 | First vendor Publication | 2021-03-29 |
Vendor | Cve | Last vendor Modification | 2021-04-01 |
Security-Database Scoring CVSS v3
Cvss vector : CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | |||
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Overall CVSS Score | 8.1 | ||
Base Score | 8.1 | Environmental Score | 8.1 |
impact SubScore | 5.9 | Temporal Score | 8.1 |
Exploitabality Sub Score | 2.2 | ||
Attack Vector | Network | Attack Complexity | High |
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:M/Au:N/C:C/I:C/A:C) | |||
---|---|---|---|
Cvss Base Score | 9.3 | Attack Range | Network |
Cvss Impact Score | 10 | Attack Complexity | Medium |
Cvss Expoit Score | 8.6 | Authentication | None Required |
Calculate full CVSS 2.0 Vectors scores |
Detail
This vulnerability allows a firewall bypass on affected installations of TP-Link Archer A7 prior to Archer C7(US)_V5_210125 and Archer A7(US)_V5_200220 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of IPv6 connections. The issue results from the lack of proper filtering of IPv6 SSH connections. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-12309. |
Original Source
Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27245 |
CWE : Common Weakness Enumeration
% | Id | Name |
---|---|---|
100 % | CWE-693 | Protection Mechanism Failure |
CPE : Common Platform Enumeration
Type | Description | Count |
---|---|---|
Os | 1 |
Sources (Detail)
Source | Url |
---|---|
N/A | https://www.zerodayinitiative.com/advisories/ZDI-21-214/ |
Alert History
Date | Informations |
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2021-04-02 00:22:59 |
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2021-03-30 09:23:01 |
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2021-03-30 05:22:59 |
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