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    10 vulnerabilities found for Free Antivirus by Avast

    CVE-2025-10905 (GCVE-0-2025-10905)

    Vulnerability from nvd – Published: 2025-11-11 15:52 – Updated: 2025-11-12 20:02
    VLAI
    Title
    Collision in minifilter driver of Avast Free Antivirus results in disabling of real-time protection
    Summary
    Collision in MiniFilter driver in Avast Software Avast Free Antivirus  before 25.9  on Windows allows a local attacker with administrative privileges to disable real-time protection and self-defense mechanisms.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-693 - Protection Mechanism Failure
    Assigner
    Impacted products
    Vendor Product Version
    Avast Free Antivirus Affected: 0 , < 25.9 (custom)
    Create a notification for this product.
    Credits
    Dongchan Seo
    Show details on NVD website

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    CVE-2024-7233 (GCVE-0-2024-7233)

    Vulnerability from nvd – Published: 2024-11-22 21:11 – Updated: 2024-11-25 16:54
    VLAI
    Title
    Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability
    Summary
    Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Free Antivirus. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Avast Service. By creating a symbolic link, an attacker can abuse the service to delete a folder. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-23731.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
    Assigner
    zdi
    References
    Impacted products
    Vendor Product Version
    Avast Free Antivirus Affected: 24.2.6105 (build 24.2.8918.827)
    Create a notification for this product.
    avast free_antivirus Affected: 24.2.6105
        cpe:2.3:a:avast:free_antivirus:24.2.6105:*:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2024-07-29 21:37
    Show details on NVD website

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    CVE-2024-7232 (GCVE-0-2024-7232)

    Vulnerability from nvd – Published: 2024-11-22 21:11 – Updated: 2024-11-25 16:56
    VLAI
    Title
    Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability
    Summary
    Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Free Antivirus. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Avast Service. By creating a symbolic link, an attacker can abuse the service to delete a folder. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-22963.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
    Assigner
    zdi
    References
    Impacted products
    Vendor Product Version
    Avast Free Antivirus Affected: 23.12.6094 (build 23.12.8700.813)
    Create a notification for this product.
    avast free_antivirus Affected: 23.12.6094
        cpe:2.3:a:avast:free_antivirus:23.12.6094:*:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2024-07-29 21:36
    Show details on NVD website

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    CVE-2024-7228 (GCVE-0-2024-7228)

    Vulnerability from nvd – Published: 2024-11-22 21:11 – Updated: 2024-11-23 01:26
    VLAI
    Title
    Avast Free Antivirus Link Following Denial-of-Service Vulnerability
    Summary
    Avast Free Antivirus Link Following Denial-of-Service Vulnerability. This vulnerability allows local attackers to create a denial-of-service condition on affected installations of Avast Free Antivirus. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Avast Service. By creating a symbolic link, an attacker can abuse the service to create a folder. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-22806.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
    Assigner
    zdi
    References
    Impacted products
    Vendor Product Version
    Avast Free Antivirus Affected: 23.11.6090 Build 23.11.8365.809
    Create a notification for this product.
    Date Public
    2024-07-29 21:36
    Show details on NVD website

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    CVE-2024-7227 (GCVE-0-2024-7227)

    Vulnerability from nvd – Published: 2024-11-22 21:11 – Updated: 2024-11-25 16:55
    VLAI
    Title
    Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability
    Summary
    Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Free Antivirus. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Avast Service. By creating a symbolic link, an attacker can abuse the service to delete a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-22272.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
    Assigner
    zdi
    References
    Impacted products
    Vendor Product Version
    Avast Free Antivirus Affected: 23.9.6082
    Create a notification for this product.
    avast free_antivirus Affected: 23.9.6082
        cpe:2.3:a:avast:free_antivirus:23.9.6082:*:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2024-07-29 21:36
    Show details on NVD website

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    CVE-2025-10905 (GCVE-0-2025-10905)

    Vulnerability from cvelistv5 – Published: 2025-11-11 15:52 – Updated: 2025-11-12 20:02
    VLAI
    Title
    Collision in minifilter driver of Avast Free Antivirus results in disabling of real-time protection
    Summary
    Collision in MiniFilter driver in Avast Software Avast Free Antivirus  before 25.9  on Windows allows a local attacker with administrative privileges to disable real-time protection and self-defense mechanisms.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-693 - Protection Mechanism Failure
    Assigner
    Impacted products
    Vendor Product Version
    Avast Free Antivirus Affected: 0 , < 25.9 (custom)
    Create a notification for this product.
    Credits
    Dongchan Seo
    Show details on NVD website

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    CVE-2024-7233 (GCVE-0-2024-7233)

    Vulnerability from cvelistv5 – Published: 2024-11-22 21:11 – Updated: 2024-11-25 16:54
    VLAI
    Title
    Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability
    Summary
    Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Free Antivirus. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Avast Service. By creating a symbolic link, an attacker can abuse the service to delete a folder. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-23731.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
    Assigner
    zdi
    References
    Impacted products
    Vendor Product Version
    Avast Free Antivirus Affected: 24.2.6105 (build 24.2.8918.827)
    Create a notification for this product.
    avast free_antivirus Affected: 24.2.6105
        cpe:2.3:a:avast:free_antivirus:24.2.6105:*:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2024-07-29 21:37
    Show details on NVD website

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    CVE-2024-7232 (GCVE-0-2024-7232)

    Vulnerability from cvelistv5 – Published: 2024-11-22 21:11 – Updated: 2024-11-25 16:56
    VLAI
    Title
    Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability
    Summary
    Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Free Antivirus. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Avast Service. By creating a symbolic link, an attacker can abuse the service to delete a folder. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-22963.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
    Assigner
    zdi
    References
    Impacted products
    Vendor Product Version
    Avast Free Antivirus Affected: 23.12.6094 (build 23.12.8700.813)
    Create a notification for this product.
    avast free_antivirus Affected: 23.12.6094
        cpe:2.3:a:avast:free_antivirus:23.12.6094:*:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2024-07-29 21:36
    Show details on NVD website

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    CVE-2024-7227 (GCVE-0-2024-7227)

    Vulnerability from cvelistv5 – Published: 2024-11-22 21:11 – Updated: 2024-11-25 16:55
    VLAI
    Title
    Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability
    Summary
    Avast Free Antivirus AvastSvc Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Free Antivirus. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Avast Service. By creating a symbolic link, an attacker can abuse the service to delete a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-22272.
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
    Assigner
    zdi
    References
    Impacted products
    Vendor Product Version
    Avast Free Antivirus Affected: 23.9.6082
    Create a notification for this product.
    avast free_antivirus Affected: 23.9.6082
        cpe:2.3:a:avast:free_antivirus:23.9.6082:*:*:*:*:*:*:*
    Create a notification for this product.
    Date Public
    2024-07-29 21:36
    Show details on NVD website

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    CVE-2024-7228 (GCVE-0-2024-7228)

    Vulnerability from cvelistv5 – Published: 2024-11-22 21:11 – Updated: 2024-11-23 01:26
    VLAI
    Title
    Avast Free Antivirus Link Following Denial-of-Service Vulnerability
    Summary
    Avast Free Antivirus Link Following Denial-of-Service Vulnerability. This vulnerability allows local attackers to create a denial-of-service condition on affected installations of Avast Free Antivirus. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Avast Service. By creating a symbolic link, an attacker can abuse the service to create a folder. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-22806.
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
    Assigner
    zdi
    References
    Impacted products
    Vendor Product Version
    Avast Free Antivirus Affected: 23.11.6090 Build 23.11.8365.809
    Create a notification for this product.
    Date Public
    2024-07-29 21:36
    Show details on NVD website

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