CVE-2021-43575 — MEDIUM (5.5)

Vulnerability Description

KNX ETS6 through 6.0.0 uses the hard-coded password ETS5Password, with a salt value of Ivan Medvedev, allowing local users to read project information, a similar issue to CVE-2021-36799. NOTE: The vendor disputes this because it is not the responsibility of the ETS to securely store cryptographic key material when it is not being exported

CVSS Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Knx	Engineering Tool Software 6	6.0.0

Related Weaknesses (CWE)

CWE-798

References

https://github.com/robertguetzkow/ets5-password-recoveryExploitThird Party Advisory
https://github.com/robertguetzkow/ets5-password-recoveryExploitThird Party Advisory

FAQ

What is CVE-2021-43575?

CVE-2021-43575 is a vulnerability with a CVSS score of 5.5 (MEDIUM). KNX ETS6 through 6.0.0 uses the hard-coded password ETS5Password, with a salt value of Ivan Medvedev, allowing local users to read project information, a similar issue to CVE-2021-36799. NOTE: The ven...

How severe is CVE-2021-43575?

CVE-2021-43575 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-43575?

Check the references section above for vendor advisories and patch information. Affected products include: Knx Engineering Tool Software 6.