CyberSecBulletin
CVE-2025-0592NVD status: Deferred

SICK Lector8xx: Improper Enforcement of Message Integrity During Transmission in a Communication Channel

CVE-2025-0592 is a high-severity improper enforcement of message integrity during transmission in a communication channel vulnerability in SICK Lector8xx from SICK, with a CVSS 3.1 base score of 8.8 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. The record lists version 2.4.0 as the first without the flaw, so updating SICK Lector8xx to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.36% 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. Update SICK Lector8xx to 2.4.0 or a later version.
  2. Update SICK InspectorP8xx to 3.11.1 or a later version.
  3. Read the advisory on sick.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
SICKSICK Lector8xxbefore 2.4.02.4.0
SICKSICK InspectorP8xxbefore 3.11.13.11.1

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
NetworkCan be exploited remotely over a network, including the internet.
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:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by CNA (sick.de).

Official description

The vulnerability may allow a remote low priviledged attacker to run arbitrary shell commands by manipulating the firmware file and uploading it to the device.

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

The underlying weakness: Improper Enforcement of Message Integrity During Transmission in a Communication Channel

The product establishes a communication channel with an endpoint and receives a message from that endpoint, but it does not sufficiently ensure that the message was not modified during transmission.

More Improper Enforcement of Message Integrity During Transmission in a Communication Channel vulnerabilities (CWE-924)

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

Advisories

Other vulnerabilities in SICK Lector8xx

All SICK Lector8xx vulnerabilities

Recent Improper Enforcement of Message Integrity During Transmission in a Communication Channel vulnerabilities

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