Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-29241 |
CWE-ID | CWE-476 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
CODESYS Gateway V3 Client/Desktop applications / Other client software CODESYS Edge Gateway for Linux Client/Desktop applications / Other client software CODESYS Control V3 Runtime System Toolkit Client/Desktop applications / Other client software CODESYS Development System Client/Desktop applications / Other client software CODESYS Edge Gateway for Windows Client/Desktop applications / Other client software |
Vendor |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU55243
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-29241
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the CmpGateway component. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.
MitigationInstall update from vendor's website.
Vulnerable software versionsCODESYS Gateway V3: before 3.5.17.0
CODESYS Edge Gateway for Linux: before 4.1.0.0
CODESYS Control V3 Runtime System Toolkit: before 3.5.17.0
CODESYS Development System: before 3.5.17.0
CODESYS Edge Gateway for Windows: before 3.5.17.0
External linkshttp://customers.codesys.com/index.php
http://www.codesys.com/security/security-reports.html
http://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14637&token=8dbd75ae7553ae3be25e22f741db783b31e14799&download=
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.