Denial of service in Siemens SIMATIC CP 442-1 RNA and SIMATIC CP 443-1 RNA
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-27640 |
| CWE-ID | CWE-400 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
SIMATIC CP 442-1 RNA Hardware solutions / Routers & switches, VoIP, GSM, etc SIMATIC CP 443-1 RNA Hardware solutions / Routers & switches, VoIP, GSM, etc |
| Vendor |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Resource exhaustion
EUVDB-ID: #VU63072
Risk: Low
CVSSv3.1: 6.4 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-27640
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker on the local network can trigger resource exhaustion and perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsSIMATIC CP 442-1 RNA: before 1.5.18
SIMATIC CP 443-1 RNA: before 1.5.18
External linkshttp://cert-portal.siemens.com/productcert/txt/ssa-480937.txt
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
