#VU29104 Improper access control in TCP/IP stack - CVE-2020-11911

Vulnerability identifier: #VU29104

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-11911

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
TCP/IP stack
Other software / Other software solutions

Vendor: Placeful Inc.

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote attacker can bypass implemented security restrictions and change one specific configuration value.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

TCP/IP stack: before 6.0.1.66

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External links
https://ics-cert.us-cert.gov/advisories/icsa-20-168-01
https://treck.com/vulnerability-response-information/
https://kb.cert.org/vuls/id/257161

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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