Siemens SINEC INS up to 1.0 SP2 Update 5 unnecessary privileges
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.6 | $5k-$25k | 2.54- |
Summary
A vulnerability, which was classified as very critical, was found in Siemens SINEC INS up to 1.0 SP2 Update 5. Affected by this vulnerability is an unknown functionality. Executing a manipulation can lead to unnecessary privileges. This vulnerability is registered as CVE-2026-46748. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.
Details
A vulnerability has been found in Siemens SINEC INS up to 1.0 SP2 Update 5 and classified as very critical. This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a unnecessary privileges vulnerability. The CWE definition for the vulnerability is CWE-250. The product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6). The affected system includes a binary that is configured with the cap_dac_override capability. This capability allows the process to bypass file system permission checks, resulting in unrestricted file system access. This could allow a local attacker to escalate privileges leading to arbitrary file modification and gaining root privileges on the system.
The advisory is available at cert-portal.siemens.com. This vulnerability was named CVE-2026-46748 since 05/18/2026. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 06/09/2026). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.
Upgrading to version 1.0 SP2 Update 6 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-35385). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Vendor
Name
Version
License
Website
- Vendor: https://www.siemens.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 8.8VulDB Meta Temp Score: 8.6
VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 8.8
CNA Vector (siemens): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Unnecessary privilegesCWE: CWE-250
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: SINEC INS 1.0 SP2 Update 6
Timeline
05/18/2026 CVE reserved06/09/2026 Advisory disclosed
06/09/2026 VulDB entry created
06/09/2026 VulDB entry last update
Sources
Vendor: siemens.comAdvisory: ssa-860189
Status: Confirmed
CVE: CVE-2026-46748 (🔒)
GCVE (CVE): GCVE-0-2026-46748
GCVE (VulDB): GCVE-100-369490
EUVD: 🔒
Entry
Created: 06/09/2026 12:36Updated: 06/09/2026 16:25
Changes: 06/09/2026 12:36 (75), 06/09/2026 16:25 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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