Buffer overflow in Siemens SICAM MMU
Priority MEDIUM 46CWE-120Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
A vulnerability has been identified in SICAM MMU (All versions < V2.05), SICAM SGU (All versions), SICAM T (All versions < V2.18). A buffer overflow in various positions of the web application might enable an attacker with access to the web application to execute arbitrary code over the network.
Why it matters now
EPSS 0.01889 79th 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Siemens | SICAM MMU | before V2.05 | V2.05 | Patch available | CNA |
| Siemens | SICAM SGU | All versions | — | No fix listed | CNA |
| Siemens | SICAM T | before V2.18 | V2.18 | Patch available | CNA |
- 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
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:siemens:sicam_mmu_firmware:*:*:*:*:*:*:*:* | before 2.05 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:sicam_mmu:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:sicam_sgu_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:h:siemens:sicam_sgu:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:sicam_t_firmware:*:*:*:*:*:*:*:* | before 2.18 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:sicam_t:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
- 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
- 2026-10-02 Threatist record created from CVE-2020-10042
- 2026-10-03 Alias added: GHSA-53f6-5gcr-4fhc
References
More Siemens Sicam Mmu Firmware vulnerabilities
- 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
- TI-2020-08100 Cross-site scripting in Siemens SICAM MMU CVSS 3.1MEDIUM 6.1
Sources
- CVE-2020-10042 · CVE Program
- CVE-2020-10042 · NVD
- FIRST EPSS
- GHSA-53f6-5gcr-4fhc · GitHub Advisory Database · CC BY 4.0
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