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TI-2020-08099 Aliases CVE-2020-10040GHSA-j8wq-fvx8-fqfh

A vulnerability has been identified in SICAM MMU (All versions < V2.05), SICAM SGU (All…

Priority LOW 24CWE-916Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A vulnerability has been identified in SICAM MMU (All versions < V2.05), SICAM SGU (All versions), SICAM T (All versions < V2.18). An attacker with local access to the device might be able to retrieve some passwords in clear text.

Why it matters now

EPSS 0.00195 9th percentileScored 2026-11-07
Fix Fixed SICAM MMU (Siemens AG): V2.05SICAM T (Siemens AG): V2.18

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensSICAM MMUbefore V2.05V2.05Patch availableCNA
SiemensSICAM SGUAll versions—No fix listedCNA
SiemensSICAM Tbefore V2.18V2.18Patch availableCNA
  • SICAM MMU VendorSiemens Affected before V2.05 Fixed in V2.05 Patch available CNA
  • SICAM SGU VendorSiemens Affected All versions Fixed in — No fix listed CNA
  • SICAM T VendorSiemens Affected before V2.18 Fixed in V2.18 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:siemens:sicam_mmu_firmware:*:*:*:*:*:*:*:*before 2.05VulnerableSiemens
cpe:2.3:h:siemens:sicam_mmu:-:*:*:*:*:*:*:*not specified by NVDRunning onSiemens
cpe:2.3:o:siemens:sicam_sgu_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableSiemens
cpe:2.3:h:siemens:sicam_sgu:-:*:*:*:*:*:*:*not specified by NVDRunning onSiemens
cpe:2.3:o:siemens:sicam_t_firmware:*:*:*:*:*:*:*:*before 2.18VulnerableSiemens
cpe:2.3:h:siemens:sicam_t:-:*:*:*:*:*:*:*not specified by NVDRunning onSiemens
  • cpe:2.3:o:siemens:sicam_mmu_firmware:*:*:*:*:*:*:*:* Versions before 2.05 Vulnerable ·Siemens
  • cpe:2.3:h:siemens:sicam_mmu:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
  • cpe:2.3:o:siemens:sicam_sgu_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
  • cpe:2.3:h:siemens:sicam_sgu:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
  • cpe:2.3:o:siemens:sicam_t_firmware:*:*:*:*:*:*:*:* Versions before 2.18 Vulnerable ·Siemens
  • cpe:2.3:h:siemens:sicam_t:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens

Remediation

  • Fix · CNA SICAM MMU (Siemens AG) Fixed in V2.05
  • Fix · CNA SICAM T (Siemens AG) Fixed in V2.18

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-10040
  2. 2026-10-03 Alias added: GHSA-j8wq-fvx8-fqfh

References

  • TI-2020-08101 Buffer overflow in Siemens SICAM MMU CVSS 3.1CRITICAL 9.8
  • TI-2020-08097 Missing authentication in Siemens SICAM MMU CVSS 3.1CRITICAL 9.8
  • TI-2020-08104 Authentication bypass by capture-replay in Siemens SICAM MMU CVSS 3.1HIGH 8.8
  • TI-2020-08098 A vulnerability has been identified in SICAM MMU (All versions < V2.05), SICAM SGU (All… CVSS 3.1HIGH 8.1
  • TI-2020-08096 Out-of-bounds read in Siemens SICAM MMU CVSS 3.1HIGH 7.5
  • TI-2020-08103 Missing authentication in Siemens SICAM MMU CVSS 3.1HIGH 7.5
See all 8 →

Sources