Multiple vulnerabilities in Siemens SCALANCE W1750D
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2021-37726 CVE-2021-37732 CVE-2021-37735 |
| CWE-ID | CWE-119 CWE-78 CWE-134 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
SCALANCE W1750D Hardware solutions / Firmware |
| Vendor | Siemens |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Buffer overflow
EUVDB-ID: #VU57099
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37726
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing PAPI requests sent to port 8211/UDP. A remote attacker can create a specially crafted requests to the system, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsSCALANCE W1750D: before 8.7.1.3
External linkshttp://cert-portal.siemens.com/productcert/txt/ssa-917476.txt
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) OS Command Injection
EUVDB-ID: #VU57134
Risk: Low
CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37732
CWE-ID:
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Exploit availability: No
DescriptionThe vulnerability allows a remote user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in the web interface. A remote privileged user can send a specially crafted HTTP request to the application and execute arbitrary OS commands on the target system.
MitigationInstall update from vendor's website.
Vulnerable software versionsSCALANCE W1750D: before 8.7.1.3
External linkshttp://cert-portal.siemens.com/productcert/txt/ssa-917476.txt
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Format string error
EUVDB-ID: #VU57136
Risk: Low
CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37735
CWE-ID:
CWE-134 - Use of Externally-Controlled Format String
Exploit availability: No
DescriptionThe vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to a format string error in the instant command line interface. A remote privileged user can supply a specially crafted input that contains format string specifiers and perform a denial of service (DoS) attack.
Install update from vendor's website.
Vulnerable software versionsSCALANCE W1750D: before 8.7.1.3
External linkshttp://cert-portal.siemens.com/productcert/txt/ssa-917476.txt
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
