Siemens RUGGEDCOM CROSSBOW Secure Access Manager Primary up to 5.7 Device Group privileges assignment

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.6$5k-$25k6.20-

Summaryinfo

A vulnerability was found in Siemens RUGGEDCOM CROSSBOW Secure Access Manager Primary up to 5.7. It has been rated as very critical. Affected is an unknown function of the component Device Group Handler. This manipulation causes privileges assignment. This vulnerability is handled as CVE-2026-27668. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as very critical was found in Siemens RUGGEDCOM CROSSBOW Secure Access Manager Primary up to 5.7. Affected by this vulnerability is an unknown function of the component Device Group Handler. The manipulation with an unknown input leads to a privileges assignment vulnerability. The CWE definition for the vulnerability is CWE-266. A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability has been identified in RUGGEDCOM CROSSBOW Secure Access Manager Primary (SAM-P) (All versions < V5.8). User Administrators are allowed to administer groups they belong to. This could allow an authenticated User Administrator to escalate their own privileges and grant themselves access to any device group at any access level.

The advisory is shared at cert-portal.siemens.com. This vulnerability is known as CVE-2026-27668 since 02/23/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/14/2026). MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading to version 5.8 eliminates this vulnerability.

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Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB 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): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Privileges assignment
CWE: CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: RUGGEDCOM CROSSBOW Secure Access Manager Primary 5.8

Timelineinfo

02/23/2026 CVE reserved
04/14/2026 +49 days Advisory disclosed
04/14/2026 +0 days VulDB entry created
04/14/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-741509
Status: Confirmed

CVE: CVE-2026-27668 (🔒)
GCVE (CVE): GCVE-0-2026-27668
GCVE (VulDB): GCVE-100-357301

Entryinfo

Created: 04/14/2026 11:09
Changes: 04/14/2026 11:09 (77)
Complete: 🔍
Cache ID: 216::103

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