CyberSecBulletin
CVE-2022-41668NVD status: Modified

EcoStruxure Operator Terminal Expert: Incorrect Type Conversion or Cast

Published Updated By the CyberSecBulletin desk

CVE-2022-41668 is a high-severity incorrect type conversion or cast vulnerability in EcoStruxure Operator Terminal Expert from Schneider Electric, with a CVSS 3.1 base score of 7.8 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. Affected EcoStruxure Operator Terminal Expert versions: V3.3 through Hotfix 1. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.22% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Check which version of EcoStruxure Operator Terminal Expert you run against the affected versions below, and install the vendor's latest release.
  2. Read the advisory on se.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
Schneider ElectricEcoStruxure Operator Terminal ExpertV3.3 through Hotfix 1Not stated
Schneider ElectricPro-face BLUEV3.3 through Hotfix 1Not stated

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
LocalThe attacker needs local access or must trick a user into running something.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
LowA basic user account is enough.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.17.0HighCNA (se.com)
CVSS 3.17.8HighNVD

Official description

A CWE-704: Incorrect Project Conversion vulnerability exists that allows adversaries with local user privileges to load a project file from an adversary-controlled network share which could result in execution of malicious code. Affected Products: EcoStruxure Operator Terminal Expert(V3.3 Hotfix 1 or prior), Pro-face BLUE(V3.3 Hotfix1 or prior).

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Incorrect Type Conversion or Cast

The product does not correctly convert an object, resource, or structure from one type to a different type.

More Incorrect Type Conversion or Cast vulnerabilities (CWE-704)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in EcoStruxure Operator Terminal Expert

All EcoStruxure Operator Terminal Expert vulnerabilities

Recent Incorrect Type Conversion or Cast vulnerabilities

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