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cve[email protected]CVE-2021-30186
HistoryMay 25, 2021 - 1:15 p.m.

CVE-2021-30186

2021-05-2513:15:00
CWE-787
[email protected]
web.nvd.nist.gov
23
cve-2021-30186
codesys
v2
runtime system
buffer overflow
nvd

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

8.7 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

44.9%

JSON

CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow.

Related

prion 1
ics 1
thn 1
prion
prion
Heap overflow
2021-05-25 13:15:00
ics
ics
CODESYS Control V2 communication
2021-06-22 12:00:00
thn
thn
10 Critical Flaws Found in CODESYS Industrial Automation Software
2021-06-04 13:03:00

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

8.7 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

44.9%

JSON
Related for CVE-2021-30186
prion1ics1thn1