Multiple vulnerabilities in KUKA KR C4

Published: 2021-07-28

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-33016 CVE-2021-33014
CWE-ID	CWE-798
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	KSS Hardware solutions / Firmware KR C4 Hardware solutions / Firmware
Vendor	KUKA

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Use of hard-coded credentials

EUVDB-ID: #VU55379

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-33016

CWE-ID: CWE-798 - Use of Hard-coded Credentials

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain full access to vulnerable system.

The vulnerability exists due to presence of hard-coded credentials in application code. A remote unauthenticated attacker can access the affected system using the hard-coded credentials.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

KSS: All versions

KR C4: before 8.7

External links

http://ics-cert.us-cert.gov/advisories/icsa-21-208-01

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.

2) Use of hard-coded credentials

EUVDB-ID: #VU55380

Risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-33014