High severity · published Feb 23, 2024
CVE-2023-51394
Potential DoS for EFR32xxx parts in high traffic environments due to null buffer dereference / crash
7.5
CVSS
0.5%
EPSS
No
On KEV
Description
High traffic environments may result in NULL Pointer Dereference vulnerability in Silicon Labs's Ember ZNet SDK before v7.4.0, causing a system crash.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EZ
Ember ZNet SDK · silabs.com
before 7.4.0 · source: vendor
EM
Emberznet · Silabs
before 7.4.0 · source: NVD
ES
Emberznet Sdk · Silabs
before 7.4.0 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-51394
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-51394
Permissions Required
https://community.silabs.com/068Vm000001NL4u
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