Medium severity · published Jun 24, 2022
CVE-2022-32140
Multiple CODESYS products are affected to a buffer overflow.A low privileged remote attacker may craft a request, which can cause a buffer copy without checking the size of the…
6.5
CVSS
1.1%
EPSS
No
On KEV
Description
Multiple CODESYS products are affected to a buffer overflow.A low privileged remote attacker may craft a request, which can cause a buffer copy without checking the size of the service, resulting in a denial-of-service condition. User Interaction is not required.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PL
Plcwinnt · Codesys
2.0 before 2.4.7.57 · source: NVD
RT
Runtime Toolkit · Codesys
2.0 before 2.4.7.57 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-32140
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-32140
Mitigation
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=17139&token=ec67d15a433b61c77154166c20c78036540cacb0&download=
More from Plcwinnt
9.8
CVE-2022-31806
In CODESYS V2 PLCWinNT and Runtime Toolkit 32 in versions prior to V2.4.7.57 password protection is not enabled by default and there is no information or prompt to enable password…
8.8
CVE-2022-32143
In multiple CODESYS products, file download and upload function allows access to internal files in the working directory e.g
8.8
CVE-2022-32138
In multiple CODESYS products, a remote attacker may craft a request which may cause an unexpected sign extension, resulting in a denial-of-service condition or memory overwrite
8.8
CVE-2022-32137
In multiple CODESYS products, a low privileged remote attacker may craft a request, which may cause a heap-based buffer overflow, resulting in a denial-of-service condition or…
8.1
CVE-2022-32142
Multiple CODESYS Products are prone to a out-of bounds read or write access