CVE-2021-30191

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-30191
CODESYS V2 Web-Server before 1.1.9.20 has a a Buffer Copy without Checking the Size of the Input.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://customers.codesys.com/index.php Permissions Required Vendor Advisory
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14726&token=553da5d11234bbe1ceed59969d419a71bb8c8747&download= Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:codesys:v2_web_server:*:*:*:*:*:*:*:*
History

26 May 2021, 12:25

Type Values Removed Values Added
CPE cpe:2.3:a:codesys:v2_web_server:*:*:*:*:*:*:*:*
CWE CWE-120
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
References (MISC) https://customers.codesys.com/index.php - (MISC) https://customers.codesys.com/index.php - Permissions Required, Vendor Advisory
References (MISC) https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14726&token=553da5d11234bbe1ceed59969d419a71bb8c8747&download= - (MISC) https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14726&token=553da5d11234bbe1ceed59969d419a71bb8c8747&download= - Vendor Advisory

25 May 2021, 13:35

Type Values Removed Values Added
New CVE
Information

Published : 2021-05-25 13:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-30191

Mitre link : CVE-2021-30191

CVE.ORG link : CVE-2021-30191

JSON object : View

Products Affected

codesys

  • v2_web_server
CWE
CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')