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Fencer Vulns
low 2.7

CVE-2023-44321 json

Affected devices do not properly validate the length of inputs when performing certain configuration changes in the web interface allowing…

published 2023-11-14 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-48675

cvss
2.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

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.

Patch / fix

  • Siemens RUGGEDCOM RM1224 LTE(4G) EU V8.1
  • Siemens RUGGEDCOM RM1224 LTE(4G) NAM V8.1
  • Siemens SCALANCE M804PB V8.1
  • Siemens SCALANCE M812-1 ADSL-Router family V8.1
  • Siemens SCALANCE M816-1 ADSL-Router family V8.1
  • Siemens SCALANCE M826-2 SHDSL-Router V8.1
  • Siemens SCALANCE M874-2 V8.1
  • Siemens SCALANCE M874-3 V8.1
  • Siemens SCALANCE M874-3 3G-Router (CN) V8.1
  • Siemens SCALANCE M876-3 V8.1
  • Siemens SCALANCE M876-3 (ROK) V8.1
  • Siemens SCALANCE M876-4 V8.1
  • Siemens SCALANCE M876-4 (EU) V8.1
  • Siemens SCALANCE M876-4 (NAM) V8.1
  • Siemens SCALANCE MUM853-1 (A1) V8.1
  • Siemens SCALANCE MUM853-1 (B1) V8.1
  • Siemens SCALANCE MUM853-1 (EU) V8.1
  • Siemens SCALANCE MUM856-1 (A1) V8.1
  • Siemens SCALANCE MUM856-1 (B1) V8.1
  • Siemens SCALANCE MUM856-1 (CN) V8.1
  • Siemens SCALANCE MUM856-1 (EU) V8.1
  • Siemens SCALANCE MUM856-1 (RoW) V8.1
  • Siemens SCALANCE S615 EEC LAN-Router V8.1
  • Siemens SCALANCE S615 LAN-Router V8.1
  • Siemens SCALANCE XB205-3 (SC, PN) V4.6
  • Siemens SCALANCE XB205-3 (ST, E/IP) V4.6
  • Siemens SCALANCE XB205-3 (ST, PN) V4.6
  • Siemens SCALANCE XB205-3LD (SC, E/IP) V4.6
  • Siemens SCALANCE XB205-3LD (SC, PN) V4.6
  • Siemens SCALANCE XB206-2 (SC) V4.6

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-24-074-08 updated cvss 2.7

Siemens SCALANCE XB-200 / XC-200 / XP-200 / XF-200BA / XR-300WG Family

  • Siemens SCALANCE XB205-3 (SC, PN) (6GK5205-3BB00-2AB2) < 4.6 Siemens SCALANCE XB205-3 (ST, E/IP) (6GK5205-3BB00-2TB2) < 4.6 Siemens SCALANCE XB205-3 (ST, E/IP) (6GK5205-3BD00-2TB2) < 4.6 Siemens SCALANCE XB205-3 (ST, PN) (6GK5205-3BD00-2AB2) < 4.6 Siemens SCALANCE XB205-3LD (SC, E/IP) (6GK5205-3BF00-2TB2) < 4.6 Siemens SCALANCE XB205-3LD (SC, PN) (6GK5205-3BF00-2AB2) < 4.6
    +34 more products
    Siemens SCALANCE XB206-2 (SC) (6GK5206-2BD00-2TB2) < 4.6 Siemens SCALANCE XB206-2 (ST/BFOC) (6GK5206-2BF00-2TB2) < 4.6 Siemens SCALANCE XB206-2 LD (6GK5206-2BF00-2AB2) < 4.6 Siemens SCALANCE XB206-2 SC (6GK5206-2BD00-2AB2) < 4.6 Siemens SCALANCE XB206-2 ST (6GK5206-2BB00-2AB2) < 4.6 Siemens SCALANCE XB206-2LD (6GK5206-2BB00-2TB2) < 4.6 Siemens SCALANCE XB208 (E/IP) (6GK5208-0BA00-2TB2) < 4.6 Siemens SCALANCE XB208 (PN) (6GK5208-0BA00-2AB2) < 4.6 Siemens SCALANCE XB213-3 (SC, E/IP) (6GK5213-3BD00-2TB2) < 4.6 Siemens SCALANCE XB213-3 (SC, PN) (6GK5213-3BD00-2AB2) < 4.6 Siemens SCALANCE XB213-3 (ST, E/IP) (6GK5213-3BB00-2TB2) < 4.6 Siemens SCALANCE XB213-3 (ST, PN) (6GK5213-3BB00-2AB2) < 4.6 Siemens SCALANCE XB213-3LD (SC, E/IP) (6GK5213-3BF00-2TB2) < 4.6 Siemens SCALANCE XB213-3LD (SC, PN) (6GK5213-3BF00-2AB2) < 4.6 Siemens SCALANCE XB216 (E/IP) (6GK5216-0BA00-2TB2) < 4.6 Siemens SCALANCE XB216 (PN) (6GK5216-0BA00-2AB2) < 4.6 Siemens SCALANCE XC206-2 (SC) (6GK5206-2BD00-2AC2) < 4.6 Siemens SCALANCE XC206-2 (ST/BFOC) (6GK5206-2BB00-2AC2) < 4.6 Siemens SCALANCE XC206-2G PoE (6GK5206-2RS00-2AC2) < 4.6 Siemens SCALANCE XC206-2G PoE (54 V DC) (6GK5206-2RS00-5AC2) < 4.6 Siemens SCALANCE XC206-2G PoE EEC (54 V DC) (6GK5206-2RS00-5FC2) < 4.6 Siemens SCALANCE XC206-2SFP (6GK5206-2BS00-2AC2) < 4.6 Siemens SCALANCE XC206-2SFP EEC (6GK5206-2BS00-2FC2) < 4.6 Siemens SCALANCE XC206-2SFP G (6GK5206-2GS00-2AC2) < 4.6 Siemens SCALANCE XC206-2SFP G (EIP DEF.) (6GK5206-2GS00-2TC2) < 4.6 Siemens SCALANCE XC206-2SFP G EEC (6GK5206-2GS00-2FC2) < 4.6 Siemens SCALANCE XC208 (6GK5208-0BA00-2AC2) < 4.6 Siemens SCALANCE XC208EEC (6GK5208-0BA00-2FC2) < 4.6 Siemens SCALANCE XC208G (6GK5208-0GA00-2AC2) < 4.6 Siemens SCALANCE XC208G (EIP def.) (6GK5208-0GA00-2TC2) < 4.6 Siemens SCALANCE XC208G EEC (6GK5208-0GA00-2FC2) < 4.6 Siemens SCALANCE XC208G PoE (6GK5208-0RA00-2AC2) < 4.6 Siemens SCALANCE XC208G PoE (54 V DC) (6GK5208-0RA00-5AC2) < 4.6 Siemens SCALANCE XC216 (6GK5216-0BA00-2AC2) < 4.6
    affected: fixed in V4.6 support.industry.siemens.com

51 more affected in the full advisory

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

cisa ICSA-24-228-01 updated cvss 2.7

Siemens SCALANCE M-800, RUGGEDCOM RM1224

  • Siemens RUGGEDCOM RM1224 LTE(4G) EU (6GK6108-4AM00-2BA2) <V8.1 Siemens RUGGEDCOM RM1224 LTE(4G) NAM (6GK6108-4AM00-2DA2) <V8.1 Siemens SCALANCE M804PB (6GK5804-0AP00-2AA2) <V8.1 Siemens SCALANCE M812-1 ADSL-Router family <V8.1 Siemens SCALANCE M816-1 ADSL-Router family <V8.1 Siemens SCALANCE M826-2 SHDSL-Router (6GK5826-2AB00-2AB2) <V8.1
    +18 more products
    Siemens SCALANCE M874-2 (6GK5874-2AA00-2AA2) <V8.1 Siemens SCALANCE M874-3 (6GK5874-3AA00-2AA2) <V8.1 Siemens SCALANCE M874-3 3G-Router (CN) (6GK5874-3AA00-2FA2) <V8.1 Siemens SCALANCE M876-3 (6GK5876-3AA02-2BA2) <V8.1 Siemens SCALANCE M876-3 (ROK) (6GK5876-3AA02-2EA2) <V8.1 Siemens SCALANCE M876-4 (6GK5876-4AA10-2BA2) <V8.1 Siemens SCALANCE M876-4 (EU) (6GK5876-4AA00-2BA2) <V8.1 Siemens SCALANCE M876-4 (NAM) (6GK5876-4AA00-2DA2) <V8.1 Siemens SCALANCE MUM853-1 (A1) (6GK5853-2EA10-2AA1) <V8.1 Siemens SCALANCE MUM853-1 (B1) (6GK5853-2EA10-2BA1) <V8.1 Siemens SCALANCE MUM853-1 (EU) (6GK5853-2EA00-2DA1) <V8.1 Siemens SCALANCE MUM856-1 (A1) (6GK5856-2EA10-3AA1) <V8.1 Siemens SCALANCE MUM856-1 (B1) (6GK5856-2EA10-3BA1) <V8.1 Siemens SCALANCE MUM856-1 (CN) (6GK5856-2EA00-3FA1) <V8.1 Siemens SCALANCE MUM856-1 (EU) (6GK5856-2EA00-3DA1) <V8.1 Siemens SCALANCE MUM856-1 (RoW) (6GK5856-2EA00-3AA1) <V8.1 Siemens SCALANCE S615 EEC LAN-Router (6GK5615-0AA01-2AA2) <V8.1 Siemens SCALANCE S615 LAN-Router (6GK5615-0AA00-2AA2) <V8.1
    affected: fixed in V8.1 support.industry.siemens.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

cisa ICSA-24-046-09 updated cvss 2.7

Siemens SCALANCE SC-600 Family

  • Siemens SCALANCE SC622-2C (6GK5622-2GS00-2AC2) Siemens SCALANCE SC626-2C (6GK5626-2GS00-2AC2) Siemens SCALANCE SC632-2C (6GK5632-2GS00-2AC2) Siemens SCALANCE SC636-2C (6GK5636-2GS00-2AC2) Siemens SCALANCE SC642-2C (6GK5642-2GS00-2AC2) Siemens SCALANCE SC646-2C (6GK5646-2GS00-2AC2)
    affected: workaround, no fix planned

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

1.00% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 2.7 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
CNA 4.0 5.1 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
CNA 4.0 5.1 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: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
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

  • Siemens RUGGEDCOM RM1224 LTE(4G) EU
  • Siemens RUGGEDCOM RM1224 LTE(4G) NAM
  • Siemens SCALANCE M804PB
  • Siemens SCALANCE M812-1 ADSL-Router family
  • Siemens SCALANCE M816-1 ADSL-Router family
  • Siemens SCALANCE M826-2 SHDSL-Router
  • Siemens SCALANCE M874-2
  • Siemens SCALANCE M874-3
  • Siemens SCALANCE M874-3 3G-Router (CN)
  • Siemens SCALANCE M876-3
  • Siemens SCALANCE M876-3 (ROK)
  • Siemens SCALANCE M876-4
  • Siemens SCALANCE M876-4 (EU)
  • Siemens SCALANCE M876-4 (NAM)
  • Siemens SCALANCE MUM853-1 (A1)
  • Siemens SCALANCE MUM853-1 (B1)
  • Siemens SCALANCE MUM853-1 (EU)
  • Siemens SCALANCE MUM856-1 (A1)
  • Siemens SCALANCE MUM856-1 (B1)
  • Siemens SCALANCE MUM856-1 (CN)
  • Siemens SCALANCE MUM856-1 (EU)
  • Siemens SCALANCE MUM856-1 (RoW)
  • Siemens SCALANCE S615 EEC LAN-Router
  • Siemens SCALANCE S615 LAN-Router
  • Siemens SCALANCE XB205-3 (SC, PN)
  • Siemens SCALANCE XB205-3 (ST, E/IP)
  • Siemens SCALANCE XB205-3 (ST, PN)
  • Siemens SCALANCE XB205-3LD (SC, E/IP)
  • Siemens SCALANCE XB205-3LD (SC, PN)
  • Siemens SCALANCE XB206-2 (SC)
  • Siemens SCALANCE XB206-2 (ST/BFOC)
  • Siemens SCALANCE XB206-2 LD
  • Siemens SCALANCE XB206-2 SC
  • Siemens SCALANCE XB206-2 ST
  • Siemens SCALANCE XB206-2LD
  • Siemens SCALANCE XB208 (E/IP)
  • Siemens SCALANCE XB208 (PN)
  • Siemens SCALANCE XB213-3 (SC, E/IP)
  • Siemens SCALANCE XB213-3 (SC, PN)
  • Siemens SCALANCE XB213-3 (ST, E/IP)
  • Siemens SCALANCE XB213-3 (ST, PN)
  • Siemens SCALANCE XB213-3LD (SC, E/IP)
  • Siemens SCALANCE XB213-3LD (SC, PN)
  • Siemens SCALANCE XB216 (E/IP)
  • Siemens SCALANCE XB216 (PN)
  • Siemens SCALANCE XC206-2 (SC)
  • Siemens SCALANCE XC206-2 (ST/BFOC)
  • Siemens SCALANCE XC206-2G PoE
  • Siemens SCALANCE XC206-2G PoE (54 V DC)
  • Siemens SCALANCE XC206-2G PoE EEC (54 V DC)

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.