CVE-2024-31484

highpriority · track · 0EPSS 0.005 · 40 %ileDEEUNLRUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.47% (40th) EPSS
CVSS 7.8 · high
Is it mine?
30 products
Check your exposure
Who says so?
7 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-26

A vulnerability has been identified in CPC80 Central Processing/Communication (All versions < V16.41), CPCI85 Central Processing/Communication (All versions < V5.30), CPCX26 Central Processing/Communication (All versions < V06.02), ETA4 Ethernet Interface IEC60870-5-104 (All versions < V10.46), ETA5 Ethernet Int. 1x100TX IEC61850 Ed.2 (All versions < V03.27), PCCX26 Ax 1703 PE, Contr, Communication Element (All versions < V06.05). The affected devices contain an improper null termination vulnerability while parsing a specific HTTP header. This could allow an attacker to execute code in the context of the current process or lead to denial of service condition.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • FixedCPCX26 Central Processing/Communicationsiemens_psirt

    Update to V06.02 or later version. The firmware CPCX26 V06.02 is present within “SICAM RTUs AK3 Package” V06.02

  • FixedETA4 Ethernet Interface IEC60870-5-104siemens_psirt

    Update to V10.46 or later version The firmware ETA4 V10.46 is present within “SICAM RTUs AK3 Package” V06.02

  • FixedETA5 Ethernet Int. 1x100TX IEC61850 Ed.2siemens_psirt

    Update to V03.27 or later version The firmware ETA5 V03.27 is present within “SICAM RTUs AK3 Package” V06.02

  • FixedPCCX26 Ax 1703 PE, Contr, Communication Elementsiemens_psirt

    Update to V06.05 or later version The firmware PCCX26 V06.05 is present within “SICAM RTUs AK3 Package” V06.02

  • FixedCPC80 Central Processing/Communicationsiemens_psirt

    Update to V16.41 or later version. The firmware CPC80 V16.41 is present within “CP-8000/CP-8021/CP-8022 Package” V16.41

  • FixedCPCI85 Central Processing/Communicationsiemens_psirt

    Update to V5.30 or later version The firmware CPCI85 V5.30 is present within "CP-8031/CP-8050 Package" V5.30

  • FixedCPC80 Central Processing/Communicationcisa_csaf_ot

    Update to V16.41 or later version. The firmware CPC80 V16.41 is present within “CP-8000/CP-8021/CP-8022 Package” V16.41

  • FixedCPCI85 Central Processing/Communicationcisa_csaf_ot

    Update to V5.30 or later version The firmware CPCI85 V5.30 is present within "CP-8031/CP-8050 Package" V5.30

  • FixedCPCX26 Central Processing/Communicationcisa_csaf_ot

    Update to V06.02 or later version. The firmware CPCX26 V06.02 is present within “SICAM RTUs AK3 Package” V06.02

  • FixedETA4 Ethernet Interface IEC60870-5-104cisa_csaf_ot

    Update to V10.46 or later version The firmware ETA4 V10.46 is present within “SICAM RTUs AK3 Package” V06.02

  • FixedETA5 Ethernet Int. 1x100TX IEC61850 Ed.2cisa_csaf_ot

    Update to V03.27 or later version The firmware ETA5 V03.27 is present within “SICAM RTUs AK3 Package” V06.02

  • FixedPCCX26 Ax 1703 PE, Contr, Communication Elementcisa_csaf_ot

    Update to V06.05 or later version The firmware PCCX26 V06.05 is present within “SICAM RTUs AK3 Package” V06.02

02

cvss

Technical severity, 0–10. One row per scoring source.

7.8
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.4–7.8

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · productcert@siemens.com DEexploitability 1.8 · impact 5.9
v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · Siemens ProductCERT DE
v3.17.8highAV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · CISA US
v4.07.3highCVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/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:Xsecondary · productcert@siemens.com DE
v4.07.3highCVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:Nsecondary · ENISA EU
v4.04.4mediumCVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/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:Xsecondary · CVSS-BT (t0sche)
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-170USCWE-170USCWE-170USCWE-170USCWE-170US
05

affected products (30)

Products and version ranges known to be affected.

showing 20 of 30
06

advisories (6)

Vendor and ecosystem advisories describing this.

  • NCSC-2024-0246Kwetsbaarheden verholpen in Siemens productenNL2024-06-11csaf · ncsc_nlNL

    Siemens heeft kwetsbaarheden verholpen in diverse producten, zoals SCALANCE, SICAM, Tecnomatix, SITOP en PowerSys.

  • SSA-620338SSA-620338: Buffer Overflow Vulnerability in SICAM AK3 / BC / TM2024-06-11csaf · siemens_psirtDE

    SICAM AK3/TM/BC devices are affected by a buffer overflow vulnerability that could allow an attacker to execute code in the context of the current process or lead to a denial of service condition. - SICAM AK3 device firmware- CPCX26 for CP-2016 - PCCX26 for CP-2019 - SICAM AK3, SICAM BC and SICAM TM device firmware- ETA4 and ETA5 for SM-2558 Siemens has released new firmware versions for the affected products and recommends to update to the latest versions.

  • SSA-871704SSA-871704: Multiple Vulnerabilities in SICAM Products2024-05-14csaf · siemens_psirtDE

    Multiple SICAM products are affected by vulnerabilities that could lead to privilege escalation, remote code execution or information loss namely: - SICAM A8000 device firmwares - CPC80 for CP-8000/CP-8021/CP-8022 - CPCI85 and OPUPI0 for CP-8031/CP-8050 - SICAM EGS firmware - CPCI85 and OPUPI0 - SICAM 8 Software Solution - SICORE Siemens has released new versions for the affected firmwares and recommends to update to the latest versions.

  • WID-SEC-W-2024-1111Siemens SICAM: Mehrere SchwachstellenDeutsch2024-05-13csaf · cert_bundDE

    Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Siemens SICAM ausnutzen, um beliebigen Programmcode auszuführen und um um vertrauliche Informationen offenzulegen.

  • ICSA-24-137-02Siemens SICAM Products2024-05-14icsa · cisa_csaf_otUS

    Multiple SICAM products are affected by vulnerabilities that could lead to privilege escalation, remote code execution or information loss namely: - SICAM A8000 device firmwares - CPC80 for CP-8000/CP-8021/CP-8022 - CPCI85 and OPUPI0 for CP-8031/CP-8050 - SICAM EGS firmware - CPCI85 and OPUPI0 - SICAM 8 Software Solution - SICORE Siemens has released new versions for the affected firmwares and recommends to update to the latest versions.

  • ICSA-24-165-09Siemens SICAM AK3/BC/TM2024-06-11icsa · cisa_csaf_otUS

    SICAM AK3/TM/BC devices are affected by a buffer overflow vulnerability that could allow an attacker to execute code in the context of the current process or lead to a denial of service condition. - SICAM AK3 device firmware- CPCX26 for CP-2016 - PCCX26 for CP-2019 - SICAM AK3, SICAM BC and SICAM TM device firmware- ETA4 and ETA5 for SM-2558 Siemens has released new firmware versions for the affected products and recommends to update to the latest versions.

07

also known as (5)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducert_bundcisa_csaf_otncsc_nlsiemens_psirtNVDCVE.orgMITRE
published 2024-05-14modified 2026-06-17
09

references (12)

External citations — patches, advisories, analysis.

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