CVE-2023-0971
CVE-2023-0971 is a critical-severity vulnerability in Silabs Z/ip Gateway Sdk with a CVSS 3.x base score of 9.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.
Key facts
- Severity: Critical (CVSS 3.x base score 9.6)
- EPSS exploit prediction: 0% (16th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-863
- Affected product: Silabs Z/ip Gateway Sdk
- Published:
- Last modified:
Description
A logic error in SiLabs Z/IP Gateway SDK 7.18.02 and earlier allows authentication to be bypassed, remote administration of Z-Wave controllers, and S0/S2 encryption keys to be recovered.
Frequently asked questions
- What is CVE-2023-0971?
- A logic error in SiLabs Z/IP Gateway SDK 7.18.02 and earlier allows authentication to be bypassed, remote administration of Z-Wave controllers, and S0/S2 encryption keys to be recovered.
- How severe is CVE-2023-0971?
- CVE-2023-0971 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-0971 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-0971?
- CVE-2023-0971 affects Silabs Z/ip Gateway Sdk. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-0971?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2023-0971 published?
- CVE-2023-0971 was published on 2023-06-21 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:silabs:z\/ip_gateway_sdk:*:*:*:*:*:*:*:*
More vulnerabilities in Silabs Z/ip Gateway Sdk
- CVE-2023-0972 — Critical (CVSS 9.6): Description: A vulnerability in SiLabs Z/IP Gateway 7.18.01 and earlier allows an unauthenticated attacker within…
- CVE-2023-0970 — High (CVSS 7.1): Multiple buffer overflow vulnerabilities in SiLabs Z/IP Gateway SDK version 7.18.01 and earlier allow an attacker with…
- CVE-2023-4489 — Medium (CVSS 6.4): The first S0 encryption key is generated with an uninitialized PRNG in Z/IP Gateway products running Silicon Labs Z/IP…
- CVE-2023-0969 — Low (CVSS 3.5): A vulnerability in SiLabs Z/IP Gateway 7.18.01 and earlier allows an authenticated attacker within Z-Wave range to…
All CVEs affecting Silabs Z/ip Gateway Sdk →
Other CWE-863 (Incorrect Authorization) vulnerabilities
- CVE-2026-48286 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9396 and earlier are affected by an Incorrect Authorization…
- CVE-2026-48303 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9394 and earlier are affected by an Incorrect Authorization…
- CVE-2026-44330 — Critical (CVSS 10.0): free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the…
- CVE-2026-46595 — Critical (CVSS 10.0): Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of…
- CVE-2026-33105 — Critical (CVSS 10.0): Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over…
- CVE-2026-32213 — Critical (CVSS 10.0): Improper authorization in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.
Browse all CWE-863 (Incorrect Authorization) vulnerabilities →