CVE-2023-44321

A vulnerability has been identified in SCALANCE XB205-3 (SC, PN) (All versions < V4.5), SCALANCE...

5.1 Medium

Affected devices do not properly validate the length of inputs when performing certain configuration changes in the web interface allowing an authenticated attacker to cause a denial of service condition. The device needs to be restarted for the web interface to become available again.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: Low

Exploit likelihood

1.00%Up 1.0 points since Nov 15, 2023

What each source reports

CVE List Score used 5.1

Record: CVE-2023-44321
CVSS 4.0: 5.1 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CVSS 3.1: 2.7 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
Weakness: CWE-400
Updated: 2026-11-02

EUVDEUVD-2023-48675 5.1

Record: EUVD-2023-48675
CVSS 4.0: 5.1 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-w4f6-7r85-9m86 5.1

A vulnerability has been identified in SCALANCE XB205-3 (SC, PN) (All versions < V4.5), SCALANCE...

A vulnerability has been identified in SCALANCE XB205-3 (SC, PN) (All versions < V4.5), SCALANCE XB205-3 (ST, E/IP) (All versions < V4.5), SCALANCE XB205-3 (ST, E/IP) (All versions < V4.5), SCALANCE XB205-3 (ST, PN) (All versions < V4.5), SCALANCE XB205-3LD (SC, E/IP) (All versions < V4.5), SCALANCE XB205-3LD (SC, PN) (All versions < V4.5), SCALANCE XB208 (E/IP) (All versions < V4.5), SCALANCE XB208 (PN) (All versions < V4.5), SCALANCE XB213-3 (SC, E/IP) (All versions < V4.5), SCALANCE XB213-3 (SC, PN) (All versions < V4.5), SCALANCE XB213-3 (ST, E/IP) (All versions < V4.5), SCALANCE XB213-3 (ST, PN) (All versions < V4.5), SCALANCE XB213-3LD (SC, E/IP) (All versions < V4.5), SCALANCE XB213-3LD (SC, PN) (All versions < V4.5), SCALANCE XB216 (E/IP) (All versions < V4.5), SCALANCE XB216 (PN) (All versions < V4.5), SCALANCE XC206-2 (SC) (All versions < V4.5), SCALANCE XC206-2 (ST/BFOC) (All versions < V4.5), SCALANCE XC206-2G PoE (All versions < V4.5), SCALANCE XC206-2G PoE (54 V DC) (All versions < V4.5), SCALANCE XC206-2G PoE EEC (54 V DC) (All versions < V4.5), SCALANCE XC206-2SFP (All versions < V4.5), SCALANCE XC206-2SFP EEC (All versions < V4.5), SCALANCE XC206-2SFP G (All versions < V4.5), SCALANCE XC206-2SFP G (EIP DEF.) (All versions < V4.5), SCALANCE XC206-2SFP G EEC (All versions < V4.5), SCALANCE XC208 (All versions < V4.5), SCALANCE XC208EEC (All versions < V4.5), SCALANCE XC208G (All versions < V4.5), SCALANCE XC208G (EIP def.) (All versions < V4.5), SCALANCE XC208G EEC (All versions < V4.5), SCALANCE XC208G PoE (All versions < V4.5), SCALANCE XC208G PoE (54 V DC) (All versions < V4.5), SCALANCE XC216 (All versions < V4.5), SCALANCE XC216-3G PoE (All versions < V4.5), SCALANCE XC216-3G PoE (54 V DC) (All versions < V4.5), SCALANCE XC216-4C (All versions < V4.5), SCALANCE XC216-4C G (All versions < V4.5), SCALANCE XC216-4C G (EIP Def.) (All versions < V4.5), SCALANCE XC216-4C G EEC (All versions < V4.5), SCALANCE XC216EEC (All versions < V4.5), SCALANCE XC224 (All versions < V4.5), SCALANCE XC224-4C G (All versions < V4.5), SCALANCE XC224-4C G (EIP Def.) (All versions < V4.5), SCALANCE XC224-4C G EEC (All versions < V4.5), SCALANCE XF204 (All versions < V4.5), SCALANCE XF204 DNA (All versions < V4.5), SCALANCE XF204-2BA (All versions < V4.5), SCALANCE XF204-2BA DNA (All versions < V4.5), SCALANCE XP208 (All versions < V4.5), SCALANCE XP208 (Ethernet/IP) (All versions < V4.5), SCALANCE XP208EEC (All versions < V4.5), SCALANCE XP208PoE EEC (All versions < V4.5), SCALANCE XP216 (All versions < V4.5), SCALANCE XP216 (Ethernet/IP) (All versions < V4.5), SCALANCE XP216EEC (All versions < V4.5), SCALANCE XP216POE EEC (All versions < V4.5), SCALANCE XR324WG (24 x FE, AC 230V) (All versions < V4.5), SCALANCE XR324WG (24 X FE, DC 24V) (All versions < V4.5), SCALANCE XR326-2C PoE WG (All versions < V4.5), SCALANCE XR326-2C PoE WG (without UL) (All versions < V4.5), SCALANCE XR328-4C WG (24XFE, 4XGE, 24V) (All versions < V4.5), SCALANCE XR328-4C WG (24xFE, 4xGE,DC24V) (All versions < V4.5), SCALANCE XR328-4C WG (24xFE,4xGE,AC230V) (All versions < V4.5), SCALANCE XR328-4C WG (24xFE,4xGE,AC230V) (All versions < V4.5), SCALANCE XR328-4C WG (28xGE, AC 230V) (All versions < V4.5), SCALANCE XR328-4C WG (28xGE, DC 24V) (All versions < V4.5), SIPLUS NET SCALANCE XC206-2 (All versions < V4.5), SIPLUS NET SCALANCE XC206-2SFP (All versions < V4.5), SIPLUS NET SCALANCE XC208 (All versions < V4.5), SIPLUS NET SCALANCE XC216-4C (All versions < V4.5). Affected devices do not properly validate the length of inputs when performing certain configuration changes in the web interface allowing an authenticated attacker to cause a denial of service condition. The device needs to be restarted for the web interface to become available again.

Record: GHSA-w4f6-7r85-9m86
CVSS 4.0: 5.1 MediumCVSS: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:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 2.7 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
Weakness: CWE-400
Updated: 2026-11-02

NVD 5.1

Record: CVE-2023-44321
CVSS 4.0: 5.1 MediumCVSS: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:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 2.7 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-400
Updated: 2026-11-02

Affected products

Show 169 moreShow less

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-44321 is a medium vulnerability (CVSS 5.1) in Siemens Scalance Xb205-3 (sc, Pn), published November 14, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.00%, the 63rd percentile. No source names a fixed version.