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TI-2022-21194 Aliases CVE-2022-43398GHSA-fph2-95mp-m2fq

Session fixation in Siemens POWER METER SICAM Q100

Priority LOW 39CWE-384Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Spoofing
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-384.

Summary

A vulnerability has been identified in POWER METER SICAM Q100 (All versions < V2.50), POWER METER SICAM Q100 (All versions < V2.50), POWER METER SICAM Q100 (All versions < V2.50), POWER METER SICAM Q100 (All versions < V2.50). Affected devices do not renew the session cookie after login/logout and also accept user defined session cookies. An attacker could overwrite the stored session cookie of a user. After the victim logged in, the attacker is given access to the user's account through the activated session.

Why it matters now

EPSS 0.00596 48th percentileScored 2026-11-07
Fix Fixed POWER METER SICAM Q100 (Siemens): V2.50

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensPOWER METER SICAM Q100before V2.50V2.50Patch availableCNA
SiemensPOWER METER SICAM Q100before V2.50V2.50Patch availableCNA
SiemensPOWER METER SICAM Q100before V2.50V2.50Patch availableCNA
SiemensPOWER METER SICAM Q100before V2.50V2.50Patch availableCNA
  • POWER METER SICAM Q100 VendorSiemens Affected before V2.50 Fixed in V2.50 Patch available CNA
  • POWER METER SICAM Q100 VendorSiemens Affected before V2.50 Fixed in V2.50 Patch available CNA
  • POWER METER SICAM Q100 VendorSiemens Affected before V2.50 Fixed in V2.50 Patch available CNA
  • POWER METER SICAM Q100 VendorSiemens Affected before V2.50 Fixed in V2.50 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:siemens:7kg9501-0aa01-2aa1_firmware:*:*:*:*:*:*:*:*before 2.50VulnerableSiemens
cpe:2.3:h:siemens:7kg9501-0aa01-2aa1:-:*:*:*:*:*:*:*not specified by NVDRunning onSiemens
cpe:2.3:o:siemens:7kg9501-0aa31-2aa1_firmware:*:*:*:*:*:*:*:*before 2.50VulnerableSiemens
cpe:2.3:h:siemens:7kg9501-0aa31-2aa1:-:*:*:*:*:*:*:*not specified by NVDRunning onSiemens
  • cpe:2.3:o:siemens:7kg9501-0aa01-2aa1_firmware:*:*:*:*:*:*:*:* Versions before 2.50 Vulnerable ·Siemens
  • cpe:2.3:h:siemens:7kg9501-0aa01-2aa1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
  • cpe:2.3:o:siemens:7kg9501-0aa31-2aa1_firmware:*:*:*:*:*:*:*:* Versions before 2.50 Vulnerable ·Siemens
  • cpe:2.3:h:siemens:7kg9501-0aa31-2aa1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens

Remediation

  • Fix · CNA POWER METER SICAM Q100 (Siemens) Fixed in V2.50
  • Fix · CNA POWER METER SICAM Q100 (Siemens) Fixed in V2.50
  • Fix · CNA POWER METER SICAM Q100 (Siemens) Fixed in V2.50
  • Fix · CNA POWER METER SICAM Q100 (Siemens) Fixed in V2.50

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-43398
  2. 2026-10-03 Alias added: GHSA-fph2-95mp-m2fq

References

  • TI-2022-21327 Improper input validation in Siemens POWER METER SICAM Q100 CVSS 3.1CRITICAL 9.9
  • TI-2022-21326 Improper input validation in Siemens POWER METER SICAM Q100 CVSS 3.1CRITICAL 9.9
  • TI-2022-21234 Improper input validation in Siemens POWER METER SICAM Q100 CVSS 3.1CRITICAL 9.9
  • TI-2021-19863 Stack-based buffer overflow in Siemens POWER METER SICAM Q100 CVSS 3.1HIGH 7.2

Sources