CyberSecBulletin

Opcua vulnerabilities

We track 3 vulnerabilities in Opcua products. 3 are rated high or critical, and none are known to be exploited. The most recent was published on August 24, 2022.

3vulnerabilities
0critical
3high
0exploited
7.5average CVSS score

Latest Opcua vulnerabilities

  • 7.5 High severity

    opcua: Out-of-bounds Write

    CVE-2022-25903OpcuaEPSS 1.47%

    The package opcua from 0.0.0 are vulnerable to Denial of Service (DoS) via the ExtensionObjects and Variants objects, when it allows unlimited nesting levels, which could result in a stack overflow even if the message size is less than the maximum allowed.

  • 7.5 High severity

    opcua: Allocation of Resources Without Limits or Throttling

    CVE-2022-25888OpcuaEPSS 1.36%

    The package opcua from 0.0.0 are vulnerable to Denial of Service (DoS) due to a missing limitation on the number of received chunks - per single session or in total for all concurrent sessions. An attacker can exploit this vulnerability by sending an unlimited

  • 7.5 High severity

    opcua: Allocation of Resources Without Limits or Throttling

    CVE-2022-25304OpcuaEPSS 1.42%

    All versions of package opcua; all versions of package asyncua are vulnerable to Denial of Service (DoS) due to a missing limitation on the number of received chunks - per single session or in total for all concurrent sessions. An attacker can exploit this vul