Linux Kernel 5.8.9 WEP/WPA/WPA2/WPA3 injection

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8$5k-$25k0.00

Summaryinfo

A vulnerability was found in Linux Kernel 5.8.9 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component WEP/WPA/WPA2/WPA3. Such manipulation leads to injection. This vulnerability is listed as CVE-2020-26147. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Linux Kernel 5.8.9 (Operating System). It has been rated as problematic. Affected by this issue is an unknown code of the component WEP/WPA/WPA2/WPA3. The manipulation with an unknown input leads to a injection vulnerability. Using CWE to declare the problem leads to CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. Impacted is integrity.

The weakness was presented 05/12/2021. The advisory is available at github.com. This vulnerability is handled as CVE-2020-26147. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 04/14/2026). This vulnerability is assigned to T1055 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Injection
CWE: CWE-74 / CWE-707 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/29/2020 🔍
05/12/2021 +225 days 🔍
05/12/2021 +0 days 🔍
04/14/2026 +1798 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: github.com
Status: Not defined

CVE: CVE-2020-26147 (🔍)
GCVE (CVE): GCVE-0-2020-26147
GCVE (VulDB): GCVE-100-174878

Entryinfo

Created: 05/12/2021 08:04
Updated: 04/14/2026 13:11
Changes: 05/12/2021 08:04 (38), 05/15/2021 06:46 (2), 04/14/2026 13:11 (33)
Complete: 🔍
Cache ID: 216::103

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