High severity · published Aug 24, 2023
CVE-2023-4420
A remote unprivileged attacker can intercept the communication via e.g
7.4
CVSS
0.3%
EPSS
No
On KEV
Description
A remote unprivileged attacker can intercept the communication via e.g. Man-In-The-Middle, due to the absence of Transport Layer Security (TLS) in the SICK LMS5xx. This lack of encryption in the communication channel can lead to the unauthorized disclosure of sensitive information. The attacker can exploit this weakness to eavesdrop on the communication between the LMS5xx and the Client, and potentially manipulate the data being transmitted.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LF
Lms500 Firmware · Sick
All versions, or not specified · source: NVD
LF
Lms511 Firmware · Sick
All versions, or not specified · source: NVD
LF
Lms531 Firmware · Sick
All versions, or not specified · source: NVD
Affected product
LF
Lms500 Firmware
Sick
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A remote unprivileged attacker can sent multiple packages to the LMS5xx to disrupt its availability through a TCP SYN-based denial-of-service (DDoS) attack
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CVE-2023-31412
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