Secuno
ENNL
Book demo

CVE-2025-27494

Siemens Sipass Integrated Ac5102 (acc-g2) Firmware privilege escalation

9.1 CRITICALEPSS 0.50%
  1. Published11 Mar 2025

Description

A vulnerability has been identified in SiPass integrated AC5102 (ACC-G2) (All versions < V6.4.9), SiPass integrated ACC-AP (All versions < V6.4.9). Affected devices improperly sanitize input for the pubkey endpoint of the REST API. This could allow an authenticated remote administrator to escalate privileges by injecting arbitrary commands that are executed with root privileges.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredHigh
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected products

Siemens Sipass Integrated Ac5102 (acc-g2) Firmware< 6.4.9
Siemens Sipass Integrated Acc-ap Firmware< 6.4.9

Remediation

Fixed in
Siemens Sipass Integrated Ac5102 (acc-g2) Firmware≥ 6.4.9
Siemens Sipass Integrated Acc-ap Firmware≥ 6.4.9

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-843178.8
Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1,…
CVE-2026-843168.8
Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1,…
CVE-2026-571438.8
PraisonAI is a multi-agent teams system. Prior to praisonaiagents 1.6.62,…
CVE-2026-1034138.8
Improper input validation vulnerability in Apache Camel Karavan. When a deployment…
CVE-2026-764688.2
As part of Cisco's ongoing commitment to proactive security and product quality, the…
CVE-2026-764568.6
As part of Cisco's ongoing commitment to proactive security and product quality, the…

Frequently asked

Is CVE-2025-27494 being actively exploited?

CVE-2025-27494 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.50%.

How severe is CVE-2025-27494?

CVE-2025-27494 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.50% probability of exploitation.

Which products are affected by CVE-2025-27494?

Affected products include Siemens Sipass Integrated Ac5102 (acc-g2) Firmware, Siemens Sipass Integrated Acc-ap Firmware.

How do I fix CVE-2025-27494?

Upgrade affected software to a fixed version, for example Siemens Sipass Integrated Ac5102 (acc-g2) Firmware 6.4.9, Siemens Sipass Integrated Acc-ap Firmware 6.4.9 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-27494 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.