Critical severity · published Jan 9, 2024
CVE-2023-5376
An Improper Authentication vulnerability in Korenix JetNet TFTP allows abuse of this service. This issue affects JetNet devices older than firmware version 2024/01
9.1
CVSS
1.4%
EPSS
No
On KEV
Description
An Improper Authentication vulnerability in Korenix JetNet TFTP allows abuse of this service. This issue affects JetNet devices older than firmware version 2024/01.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
J4
Jetnet 4508 Firmware · Korenix
2.3 · source: NVD
J4
Jetnet 4508-w Firmware · Korenix
2.3 · source: NVD
J4
Jetnet 4508f-m Firmware · Korenix
2.3 · source: NVD
J4
Jetnet 4508f-mw Firmware · Korenix
2.3 · source: NVD
J4
Jetnet 4508f-s Firmware · Korenix
2.3 · source: NVD
J4
Jetnet 4508f-sw Firmware · Korenix
2.3 · source: NVD
J4
Jetnet 4508i-w Firmware · Korenix
1.3 · source: NVD
J4
Jetnet 4508if-m Firmware · Korenix
1.3 · source: NVD
J4
Jetnet 4508if-mw Firmware · Korenix
1.3 · source: NVD
J4
Jetnet 4508if-s Firmware · Korenix
1.3 · source: NVD
J4
Jetnet 4508if-sw Firmware · Korenix
1.3 · source: NVD
J5
Jetnet 5310g Firmware · Korenix
2.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-5376
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-5376
Exploit
http://packetstormsecurity.com/files/176550/Korenix-JetNet-Series-Unauthenticated-Access.html
Exploit
http://seclists.org/fulldisclosure/2024/Jan/11
Exploit
https://cyberdanube.com/en/en-multiple-vulnerabilities-in-korenix-jetnet-series/
Vendor Advisory
https://www.beijerelectronics.com/en/support/Help___online?docId=69947
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