Telus Wi-FI Hub 3.00.20 Authentication tr69_cmd.cgi command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Telus Wi-FI Hub 3.00.20 and classified as critical. This vulnerability affects unknown code of the file tr69_cmd.cgi of the component Authentication Handler. The manipulation leads to command injection. This vulnerability is uniquely identified as CVE-2021-20122. The attack can only be initiated within the local network. Moreover, an exploit is present. It is best practice to apply the suggested workaround.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Telus Wi-FI Hub 3.00.20. This issue affects an unknown part of the file tr69_cmd.cgi of the component Authentication Handler. The manipulation with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 10/12/2021. It is possible to read the advisory at tenable.com. The identification of this vulnerability is CVE-2021-20122 since 12/17/2020. Technical details as well as a exploit are known. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

It is declared as proof-of-concept.

The best possible mitigation is suggested to be Workaround.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.8
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Workaround
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/17/2020 🔍
10/12/2021 +298 days 🔍
10/12/2021 +0 days 🔍
10/14/2021 +2 days 🔍

Sourcesinfo

Advisory: tenable.com
Status: Not defined

CVE: CVE-2021-20122 (🔍)
GCVE (CVE): GCVE-0-2021-20122
GCVE (VulDB): GCVE-100-184187
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/12/2021 10:27
Updated: 10/14/2021 16:43
Changes: 10/12/2021 10:27 (16), 10/12/2021 10:28 (6), 10/12/2021 10:30 (18), 10/14/2021 16:35 (1), 10/14/2021 16:43 (1)
Complete: 🔍
Committer: roga
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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