Vulnerability Monitor

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CVE-2018-25029

The Z-Wave specification requires that S2 security can be downgraded to S0 or other less secure protocols, allowing an attacker within radio range during pairing to downgrade and then exploit a different vulnerability (CVE-2013-20003) to intercept and spoof traffic.

Published

2022-02-04T23:15:09.730

Last Modified

2024-11-21T04:03:23.580

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.1 (HIGH)

CVSSv2 Vector

AV:A/AC:L/Au:N/C:P/I:P/A:N

Access Vector: ADJACENT_NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

6.5

Impact Score

4.9

Weaknesses

Type: Secondary
CWE-757
Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	silabs	zgm130s037hgn_firmware	s2	Yes
Hardware	silabs	zgm130s037hgn	-	No
Operating System	silabs	zm5202_firmware	s2	Yes
Hardware	silabs	zm5202	-	No
Operating System	silabs	zm5101_firmware	s2	Yes
Hardware	silabs	zm5101	-	No
Operating System	silabs	zgm2305a27hgn_firmware	s2	Yes
Hardware	silabs	zgm2305a27hgn	-	No
Operating System	silabs	zgm230sb27hgn_firmware	s2	Yes
Hardware	silabs	zgm230sb27hgn	-	No

References

https://community.silabs.com/s/share/a5U1M000000knqNUAQ/updated-your-zwave-smart-locks-are-safe-and-secure Third Party Advisory ([email protected])
https://www.pentestpartners.com/security-blog/z-shave-exploiting-z-wave-downgrade-attacks/ Exploit, Third Party Advisory ([email protected])
https://community.silabs.com/s/share/a5U1M000000knqNUAQ/updated-your-zwave-smart-locks-are-safe-and-secure Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.pentestpartners.com/security-blog/z-shave-exploiting-z-wave-downgrade-attacks/ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)