Is CVE-2025-27493 in the CISA KEV catalog?

No. CVE-2025-27493 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-27493?

CVE-2025-27493 has a CVSS v3 base score of 8.2 (HIGH).

What is the EPSS score for CVE-2025-27493?

CVE-2025-27493 has an EPSS score of 0.17% (7th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-27493?

Upgrade sipass integrated ac5102 \(acc-g2\) firmware to 6.4.9 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2025-27493

HIGH

8.2

CVSS v3

NVD

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 user input for specific commands on the telnet command line interface. This could allow an authenticated local administrator to escalate privileges by injecting arbitrary commands that are executed with root privileges.

CWE-20Improper Input Validation

How to fix

Remediation Available

sipass integrated ac5102 \(acc-g2\) firmwareNVD

Affected:< 6.4.9Fixed in:6.4.9CVE-2025-27493derived from NVD

sipass integrated acc-ap firmwareNVD

Affected:< 6.4.9Fixed in:6.4.9CVE-2025-27493derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Exploit Intelligence

0.17%probability of exploitation in 30 days

7thpercentile

Low risk: more likely to be exploited than 7% of all known CVEs.

References

Vendor Advisory1

cert-portal.siemens.com

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-08-22.