CVE-2018-7839

Schneider Electric IIoT Monitor Hard-coded Cryptographic Key Information Disclosure Vulnerability

Severity Score

5.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A Cryptographic Issue (CWE-310) vulnerability exists in IIoT Monitor 3.1.38 which could allow information disclosure.

Existe una vulnerabilidad de problema criptográfico (CWE-310) en IIoT Monitor 3.1.38 que podría permitir la divulgación de información.

This vulnerability allows the decryption of the administrator password on vulnerable installations of Schneider Electric IIoT Monitor. Authentication is not required to exploit this vulnerability.
The specific flaw exists within encryption of the administrator password in the AESEncryption class. A hard-coded cryptographic key is used which can allow the reversal of the encryption process. An attacker can leverage this vulnerability in conjunction with other vulnerabilities to bypass authentication on the system.

*Credits: rgod of 9sg Security Team - rgod@9sgsec.com

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-03-08 CVE Reserved
2019-01-16 CVE Published
2023-03-08 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-310: Cryptographic Issues

CAPEC

References (2)

URL	Tag	Source
https://ics-cert.us-cert.gov/advisories/ICSA-19-008-02	X_refsource_misc

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.schneider-electric.com/en/download/document/SEVD-2018-354-03	2019-06-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Schneider-electric Search vendor "Schneider-electric"		Iiot Monitor Search vendor "Schneider-electric" for product "Iiot Monitor"				3.1.38 Search vendor "Schneider-electric" for product "Iiot Monitor" and version "3.1.38"		-		Affected