High severity · published Feb 8, 2023
CVE-2022-43765
B&R APROL versions < R 4.2-07 doesn’t process correctly specially formatted data packages sent to port 55502/tcp, which may allow a network based attacker to cause an application…
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
B&R APROL versions < R 4.2-07 doesn’t process correctly specially
formatted data packages sent to port 55502/tcp, which may allow a network based
attacker to cause an application Denial-of-Service.
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)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IA
Industrial Automation Aprol · Br-automation
before r4.2-07 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-43765
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-43765
Vendor Advisory
https://www.br-automation.com/downloads_br_productcatalogue/assets/1674823095245-en-original-1.0.pdf
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