CVE Tools
Sign in

CVE-2023-37557

CODESYS Heap-based Buffer Overflow in multiple products

Published: Aug 3, 2023Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-787
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
0.5%
Top 60.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

After successful authentication as a user in multiple Codesys products in multiple versions, specific crafted remote communication requests can cause the CmpAppBP component to overwrite a heap-based buffer, which can lead to a denial-of-service condition.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-787

Affected Products

control for beaglebone slcodesysICS / OT / IoT
control for empc-a\/imx6 slcodesysICS / OT / IoT
control for iot2000 slcodesysICS / OT / IoT
control for linux slcodesysICS / OT / IoT
control for pfc100 slcodesysICS / OT / IoT
codesysoss-projectDEICS / OT / IoTaka codesys gmbh
and 43 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://cert.vde.com/en/advisories/VDE-2023-019/
cert.vde.com
https://cert.vde.com/en/advisories/VDE-2023-019
cert.vde.com
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=17765&token=04e117e1408fdb8e02b4bc821aa3be819668aef4&download=
customers.codesys.com
and 228 more references View all →

Timeline

Published
Aug 3, 2023
Last Updated
Nov 21, 2024

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2023-37557 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows