Denial of Service Vulnerability in Siemens APOGEE and Desigo Products
CVE-2022-38371

7.5HIGH

Key Information:

Vendor
Siemens
Status
Apogee Mbc (ppc) (bacnet)
Apogee Mbc (ppc) (p2 Ethernet)
Apogee Mec (ppc) (bacnet)
Apogee Mec (ppc) (p2 Ethernet)
Vendor
CVE Published:
11 October 2022

Summary

A vulnerability has been discovered in various Siemens products, specifically affecting the FTP server's ability to manage memory resources. This flaw can be exploited by remote attackers to create a denial of service condition by leaving incomplete connection attempts, which prevents the server from successfully releasing memory. As a result, devices running these vulnerable versions may become unresponsive. Users are encouraged to review the affected product versions and apply appropriate mitigations.

Affected Version(s)

APOGEE MBC (PPC) (BACnet) All versions

APOGEE MBC (PPC) (P2 Ethernet) All versions

APOGEE MEC (PPC) (BACnet) All versions

References

https://cert-portal.siemens.com/productcert/pdf/ssa-31331...
https://cert-portal.siemens.com/productcert/pdf/ssa-93550...
https://cert-portal.siemens.com/productcert/html/ssa-9355...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.