Denial of service in Schneider Electric Modicon Quantum



Published: 2019-05-22 | Updated: 2019-10-03
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-7788
CWE-ID CWE-255
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Modicon Quantum
Hardware solutions / Firmware

Vendor Schneider Electric

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Credentials management

EUVDB-ID: #VU21515

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-7788

CWE-ID: CWE-255 - Credentials Management

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause a denial of service (DoS) condition on the target system.

The vulnerability exists due to improper management of credentials. A remote authenticated attacker can cause a denial of service when using a Telnet connection.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Modicon Quantum: before 2.40

External links

http://www.schneider-electric.com/en/download/document/SEVD-2019-134-08/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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