CVE-2021-30195 : CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation.

CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation.

Published 2021-05-25 13:15:18

Updated 2021-05-26 12:57:44

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-30195

Codesys » Plcwinnt
Versions before (<) 2.4.7.55
cpe:2.3:a:codesys:plcwinnt:*:*:*:*:*:*:*:*
Matching versions
Codesys » Runtime Toolkit » For X86
Versions before (<) 2.4.7.55
cpe:2.3:a:codesys:runtime_toolkit:*:*:*:*:*:*:x86:*
Matching versions

EPSS FAQ

0.12%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 45 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

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