🛡️ CVE-2025-27494 — sipass-integrated-ac5102-\(acc-g2\)-firm

🔴 CVSS 9.1 — Critical ✅ No Known Exploit CWE-20 NVD
9.1
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs administrative privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2025-27494 is classified as CWE-20: Improper Input Validation. The application accepts input without checking that it has the expected form, so malformed values reach code that assumes they are well formed.

Affected software

CVE-2025-27494 is recorded against 2 packages.

  • sipass-integrated-ac5102-\(acc-g2\)-firmware (fixed in 6.4.9)
  • sipass-integrated-acc-ap-firmware (fixed in 6.4.9)

Timeline and source

Published on 11 March 2025 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

cert-portal.siemens.com

Details

Severity CRITICAL
CVSS Score 9.1
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CWE CWE-20
Public Exploit ✅ No
Source NVD
Published 2025-03-11
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
sipass-integrated-ac5102-\(acc-g2\)-firmware — 6.4.9
sipass-integrated-acc-ap-firmware — 6.4.9

Exploit Protection

Are you running sipass-integrated-ac5102-\(acc-g2\)-firm?

CVE-2025-27494 carries CVSS 9.1 Critical rating. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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