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    CVE-2021-43105

    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.

    Published:Mar 28, 2022
    Last Modified:Nov 21, 2024
    EPS:Mar 28, 2022
    EPSS Score:0.00089
    CVSS Score:4.3

    Affected Products

    Vendor
    Technitium
    Product
    Dns Server

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2024-56089 (CVSS 7.5) — An issue in Technitium through v13.2.2 enables attackers to conduct a DNS cache poisoning attack and inject fa…
    CVE-2023-28451 (CVSS 7.5) — An issue was discovered in Technitium 11.0.2. There is a vulnerability (called BadDNS) in DNS resolving softwa…
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    CVE-2023-28455 (CVSS 7.5) — An issue was discovered in Technitium through 11.0.2. The forwarding mode enables attackers to create a query …
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    CVE-2023-28457 (CVSS 7.5) — An issue was discovered in Technitium through 11.0.3. It enables attackers to conduct a DNS cache poisoning at…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High