How severe is CVE-2026-54801?

CVE-2026-54801 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-54801 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-54801?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-54801 published?

CVE-2026-54801 was published on 2026-07-09.

CVE-2026-54801

CVE-2026-54801 is a high-severity vulnerability with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-620.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v4: 8.6
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-620
Published: 2026-07-09
Last modified: 2026-07-09

Description

A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.20), SICORE Base system (All versions < V26.20.0). The affected application contains insufficient validation of authentication credentials when processing administrative account modifications through the web API. This could allow an authenticated attacker to bypass security controls and gain unauthorized elevated privileges.

Frequently asked questions

What is CVE-2026-54801?: A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.20), SICORE Base system (All versions < V26.20.0). The affected application contains insufficient validation of authentication credentials when processing administrative account modifications through the web API. This could allow an authenticated attacker to bypass security controls and gain unauthorized elevated privileges.
How severe is CVE-2026-54801?: CVE-2026-54801 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-54801 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-54801?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-54801 published?: CVE-2026-54801 was published on 2026-07-09.

References

https://cert-portal.siemens.com/productcert/html/ssa-229470.html

Other CWE-620 vulnerabilities

CVE-2024-20419 — Critical (CVSS 10.0): A vulnerability in the authentication system of Cisco Smart Software Manager On-Prem (SSM On-Prem) could allow an…
CVE-2025-1107 — Critical (CVSS 9.9): Unverified password change vulnerability in Janto, versions prior to r12. This could allow an unauthenticated attacker…
CVE-2024-33699 — Critical (CVSS 9.9): The LevelOne WBR-6012 router's web application has a vulnerability in its firmware version R0.40e6, allowing attackers…
CVE-2026-15964 — Critical (CVSS 9.8): The Single Sign On For TNG plugin for WordPress is vulnerable to Authentication Bypass via unauthenticated password…
CVE-2026-12692 — Critical (CVSS 9.8): Unverified password change vulnerability in Vimesoft Inc. Enterprise Video Platform allows Authentication Bypass. This…
CVE-2025-63362 — Critical (CVSS 9.8): Waveshare RS232/485 TO WIFI ETH (B) Serial to Ethernet/Wi-Fi Gateway Firmware V3.1.1.0: HW 4.3.2.1: Webpage…

Browse all CWE-620 vulnerabilities →