#VU83420 Resource exhaustion in Siemens products - CVE-2023-44321

Vulnerability identifier: #VU83420

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-44321

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SCALANCE XB205-3
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XB205-3LD
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XB208
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XB213-3
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XB213-3LD
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XB216
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XC206-2
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XC206-2G PoE
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XC206-2G PoE EEC
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XC206-2SFP
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XC206-2SFP EEC
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XC206-2SFP G
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XC206-2SFP G EEC
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XC208
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XC208EEC
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XC208G
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XC208G EEC
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XC208G PoE
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XC216
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XC216-3G PoE
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XC216-4C
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XC216-4C G
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XC216-4C G EEC
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XC216EEC
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XC224
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XC224-4C G
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XC224-4C G EEC
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XF204
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XF204 DNA
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XF204-2BA
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XF204-2BA DNA
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XP208
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XP208EEC
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XP208PoE EEC
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XP216
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XP216EEC
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XP216POE EEC
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XR324WG
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XR326-2C PoE WG
Hardware solutions / Routers & switches, VoIP, GSM, etc
SCALANCE XR328-4C WG
Hardware solutions / Routers & switches, VoIP, GSM, etc
SIPLUS NET SCALANCE XC206-2
Hardware solutions / Routers & switches, VoIP, GSM, etc
SIPLUS NET SCALANCE XC206-2SFP
Hardware solutions / Routers & switches, VoIP, GSM, etc
SIPLUS NET SCALANCE XC208
Hardware solutions / Routers & switches, VoIP, GSM, etc
SIPLUS NET SCALANCE XC216-4C
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Siemens

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote administrator can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SCALANCE XB205-3: before 4.5

SCALANCE XB205-3LD: before 4.5

SCALANCE XB208: before 4.5

SCALANCE XB213-3: before 4.5

SCALANCE XB213-3LD: before 4.5

SCALANCE XB216: before 4.5

SCALANCE XC206-2: before 4.5

SCALANCE XC206-2G PoE: before 4.5

SCALANCE XC206-2G PoE EEC: before 4.5

SCALANCE XC206-2SFP: before 4.5

SCALANCE XC206-2SFP EEC: before 4.5

SCALANCE XC206-2SFP G: before 4.5

SCALANCE XC206-2SFP G EEC: before 4.5

SCALANCE XC208: before 4.5

SCALANCE XC208EEC: before 4.5

SCALANCE XC208G: before 4.5

SCALANCE XC208G EEC: before 4.5

SCALANCE XC208G PoE: before 4.5

SCALANCE XC216: before 4.5

SCALANCE XC216-3G PoE: before 4.5

SCALANCE XC216-4C: before 4.5

SCALANCE XC216-4C G: before 4.5

SCALANCE XC216-4C G EEC: before 4.5

SCALANCE XC216EEC: before 4.5

SCALANCE XC224: before 4.5

SCALANCE XC224-4C G: before 4.5

SCALANCE XC224-4C G EEC: before 4.5

SCALANCE XF204: before 4.5

SCALANCE XF204 DNA: before 4.5

SCALANCE XF204-2BA: before 4.5

SCALANCE XF204-2BA DNA: before 4.5

SCALANCE XP208: before 4.5

SCALANCE XP208EEC: before 4.5

SCALANCE XP208PoE EEC: before 4.5

SCALANCE XP216: before 4.5

SCALANCE XP216EEC: before 4.5

SCALANCE XP216POE EEC: before 4.5

SCALANCE XR324WG: before 4.5

SCALANCE XR326-2C PoE WG: before 4.5

SCALANCE XR328-4C WG: before 4.5

SIPLUS NET SCALANCE XC206-2: before 4.5

SIPLUS NET SCALANCE XC206-2SFP: before 4.5

SIPLUS NET SCALANCE XC208: before 4.5

SIPLUS NET SCALANCE XC216-4C: before 4.5

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External links
https://cert-portal.siemens.com/productcert/txt/ssa-699386.txt

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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.