Multiple vulnerabilities in Siemens SIMATIC eaSie Core Package
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2021-44221 CVE-2021-44222 |
| CWE-ID | CWE-20 CWE-306 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
SIMATIC eaSie Core Package Other software / Other software solutions |
| Vendor |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Input validation error
EUVDB-ID: #VU65285
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-2021-44221
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input within underlying message passing framework. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsSIMATIC eaSie Core Package: before 22.00
External linkshttp://cert-portal.siemens.com/productcert/pdf/ssa-580125.pdficsa-22-195-15
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.
2) Missing Authentication for Critical Function
EUVDB-ID: #VU65286
Risk: High
CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-44222
CWE-ID:
CWE-306 - Missing Authentication for Critical Function
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to the underlying MQTT service does not perform authentication in the default configuration. A remote attacker can send arbitrary messages to the service and thereby issue arbitrary requests in the affected system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsSIMATIC eaSie Core Package: before 22.00
External linkshttp://cert-portal.siemens.com/productcert/pdf/ssa-580125.pdficsa-22-195-15
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.
