QID 591111

Date Published: 2022-10-14

QID 591111: ABB AC500 V2 unauthenticated crafted packet Vulnerability (ABBVU-ABBVREP0026-3ADR010667)

AFFECTED PRODUCTS
All AC500 V2 products with onboard ethernet are affected by this vulnerability

QID Detection Logic (Authenticated):
QID checks for the Vulnerable version of using passive scanning

The vulnerability allows attackers to stop the PLC by sending an unauthenticated crafted packet over the network. After stopping (ERR LED flashing red), physical access to the PLC is required in order to restart the application.

  • CVSS V3 rated as Critical - 8.6 severity.
  • CVSS V2 rated as Medium - 5 severity.
    • Solution

    Customers are advised to refer to CERT MITIGATIONS section ABBVU-ABBVREP0026-3ADR010667 for affected packages and patching details.

    Vendor References

    CVEs related to QID 591111

    CVE-2020-24685 |
    Software Advisories
    Advisory ID Software Component Link
    ABBVU-ABBVREP0026-3ADR010667 URL Logo library.e.abb.com/public/c39e7530ebc147bbb7cd0ccef8ffdd15/ABBVU-ABBVREP0026-3ADR010667_AC500_V2_unauthenticated_crafted_packet.pdf
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