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CVE-2021-43105

Common vulnerabilities & exposures (CVE)

CVE databaseCVE database blogpostRelease & EoL database
 
Published at: - 29-03-2022 01:15
Last modified: - 05-04-2022 05:06
Total changes: - 3

Description

A vulnerability in the bailiwick checking function in Technitium DNS Server <= v7.0 exists that allows specific malicious users to inject `NS` records of any domain (even TLDs) into the cache and conduct a DNS cache poisoning attack.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Low
Attack complexity
Network
Attack vector
None
Availability
None
Confidentiality
Low
Integrity
Low
Privileges required
Unchanged
Scope
None
User interaction
4.3
Base score
2.8
1.4
Exploitability score
Impact score
 

Verification logic

OR
vendor=technitium AND product=dns_server AND versionEndIncluding=7.0
 

Reference

 


Keywords

NVD

 

CVE-2021-43105

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures

 

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