SICK Lector85x/Lector83x up to 2.7.x CROWN REST Interface file access

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in SICK Lector85x and Lector83x up to 2.7.x and classified as critical. This vulnerability affects unknown code of the component CROWN REST Interface. This manipulation causes file access. The identification of this vulnerability is CVE-2026-2330. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in SICK Lector85x and Lector83x up to 2.7.x and classified as critical. Affected by this vulnerability is an unknown part of the component CROWN REST Interface. The manipulation with an unknown input leads to a file access vulnerability. The CWE definition for the vulnerability is CWE-552. The product makes files or directories accessible to unauthorized actors, even though they should not be. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An attacker may access restricted filesystem areas on the device via the CROWN REST interface due to incomplete whitelist enforcement. Certain directories intended for internal testing were not covered by the whitelist and are accessible without authentication. An unauthenticated attacker could place a manipulated parameter file that becomes active after a reboot, allowing modification of critical device settings, including network configuration and application parameters.

The advisory is shared at sick.com. This vulnerability is known as CVE-2026-2330 since 02/11/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1083 for this issue.

Upgrading to version 2.8.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-10024). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.4
CNA Vector (SICK AG): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: File access
CWE: CWE-552 / CWE-425
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Lector85x/Lector83x 2.8.0

Timelineinfo

02/11/2026 CVE reserved
03/06/2026 +23 days Advisory disclosed
03/06/2026 +0 days VulDB entry created
03/06/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: sick.com
Status: Confirmed

CVE: CVE-2026-2330 (🔒)
GCVE (CVE): GCVE-0-2026-2330
GCVE (VulDB): GCVE-100-349429
EUVD: 🔒

Entryinfo

Created: 03/06/2026 11:36
Updated: 03/06/2026 12:17
Changes: 03/06/2026 11:36 (64), 03/06/2026 12:17 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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