CVE-2025-53476Medium
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A denial of service vulnerability exists in the ModbusTCP server functionality of OpenPLC _v3 a931181e8b81e36fadf7b74d5cba99b73c3f6d58. A s…
CVSS
5.3
Medium
EPSS
0.00
p27
Published
2025-01-01
Updated
2025-01-01
Description
A denial of service vulnerability exists in the ModbusTCP server functionality of OpenPLC _v3 a931181e8b81e36fadf7b74d5cba99b73c3f6d58. A specially crafted series of network connections can lead to the server not processing subsequent Modbus requests. An attacker can open a series of TCP connections to trigger this vulnerability.
Tags · CWE
Pre-auth
CWE-775
CWE-775VariantIncomplete
Missing Release of File Descriptor or Handle after Effective Lifetime
The product does not release a file descriptor or handle after its effective lifetime has ended, i.e., after the file descriptor/handle is no longer needed.
https://cwe.mitre.org/data/definitions/775.html →Open in CWE collection →CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Timeline
2025-01-01
Published
2025-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: L
Low (L)
Privileges Required
PR: N
None (N)
User Interaction
UI: N
None (N)
Scope
S: U
Unchanged (U)
Confidentiality Impact
C: N
None (N)
Integrity Impact
I: N
None (N)
Availability Impact
A: L
Low (L)
Exploit indicators
EPSS
0.001 · p27
Known exploited (KEV)
No
Known exploits — Сканер-ВС
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