CVE Tools

CVE-2022-2971

MZ Automation libIEC61850 Access of Resource Using Incompatible Type ('Type Confusion')

No known exploitation. EPSS puts it in the 65th percentile. Fixed in Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e.

Published Updated Sources: CVE.org, NVD, BDU

What to do

Find your product and version, then upgrade to the build on the right.

  • MZ Automation libIEC61850Affected: ≥ All, ≤ 1.4Upgrade to: after 1.4Affected: ≥ Version 1.5, < Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10eUpgrade to: Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10eStated by: CVE record

Versions as the sources state them. Full version matrix after sign-in

What it is

From the CVE record

MZ Automation's libIEC61850 (versions 1.4 and prior; version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e) accesses a resource using an incompatible type, which could allow an attacker to crash the server with a malicious payload.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS65th
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

1.1% chance of exploitation activity in the next 30 days, which ranks it in the 65th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

5 events over 790 days, from the signal feeds we watch.

  1. Patch availablerecord updated
  2. Publishedweakness classified, att&ck mapped

Affected products

Technical detail

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Scored 8.6 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)

Impact if exploited

  • Confidentiality NoneNo confidentiality impact
  • Integrity NoneNo integrity impact
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

Watch the software you run.

My Stack ranks new CVEs for your products by real-world exploitation, so the next serious one reaches you without reading every advisory.

We'll flag the next CVE, public exploit or patch for libIEC61850, not every advisory.