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    CVE-2022-43765

    B&R APROL versions < R 4.2-07 doesn’t process correctly specially formatted data packages sent to port 55502/tcp, which may allow a network based attacker to cause an application Denial-of-Service.

    Published:Feb 8, 2023
    Last Modified:Mar 25, 2025
    EPS:Feb 8, 2023
    EPSS Score:0.00186
    CVSS Score:7.5

    Affected Products

    Vendor
    Br-automation
    Product
    Industrial Automation Aprol

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-252 Unchecked Return Value

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-6901 (CVSS 8.4) — Untrusted Search Path vulnerability in B&R Industrial Automation GmbH APROL. This issue affects APROL: before…
    CVE-2026-6900 (CVSS 9.1) — Improper certificate validation vulnerability in B&R Industrial Automation GmbH APROL. This issue affects APR…
    CVE-2024-5624 (CVSS 5.1) — Reflected Cross-Site Scripting (XSS) in Shift Logbook application of B&R APROL <= R 4.4-00P3 may allow a netwo…
    CVE-2024-5623 (CVSS 5.4) — An untrusted search path vulnerability in B&R APROL <= R 4.4-00P3 may be used by an authenticated local attack…
    CVE-2024-5622 (CVSS 7.3) — An untrusted search path vulnerability in the AprolConfigureCCServices of B&R APROL <= R 4.2.-07P3 and <= R 4.…
    CVE-2022-43764 (CVSS 9.8) — Insufficient validation of input parameters when changing configuration on Tbase server in B&R APROL versions …
    CVE-2022-43763 (CVSS 7.5) — Insufficient check of preconditions could lead to Denial of Service conditions when calling commands on the Tb…
    CVE-2022-43762 (CVSS 7.5) —  Lack of verification in B&R APROL Tbase server versions < R 4.2-07 may lead to memory leaks when receiving me…
    CVE-2022-43761 (CVSS 9.4) — Missing authentication when creating and managing the B&R APROL database in versions < R 4.2-07 allows read…
    CVE-2019-19878 (CVSS 7.5) — An issue was discovered in B&R Industrial Automation APROL before R4.2 V7.08. An attacker can get access to hi…

    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