Vulnerability identifier: #VU71074

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-4636

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
KVM ACR1000A-R-R2
Hardware solutions / Routers & switches, VoIP, GSM, etc
KVM ACR1000A-T-R2
Hardware solutions / Routers & switches, VoIP, GSM, etc
KVM ACR1002A-T
Hardware solutions / Routers & switches, VoIP, GSM, etc
KVM ACR1002A-R
Hardware solutions / Routers & switches, VoIP, GSM, etc
KVM ACR1020A-T
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Black Box

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

KVM ACR1000A-R-R2: 3.4.31307

KVM ACR1000A-T-R2: 3.4.31307

KVM ACR1002A-T: 3.4.31307

KVM ACR1002A-R: 3.4.31307

KVM ACR1020A-T: 3.4.31307

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External links
http://www.cisa.gov/uscert/ics/advisories/icsa-23-010-01

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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.