What is the CVSS score of CVE-2020-25228?

CVE-2020-25228 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.4%.

Logo 8 Bm Firmware CVE-2020-25228

Q: Which versions of Logo 8 Bm Firmware are affected by CVE-2020-25228?

A vulnerability has been identified in LOGO!. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

CRITICAL

Missing Authentication for Critical Function (CWE-306)

2020-12-14 productcert@siemens.com

Authentication Bypass Logo 8 Bm Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Dec 14, 2020 - 21:15 nvd

CRITICAL 9.8

DescriptionNVD

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). A service available on port 10005/tcp of the affected devices could allow complete access to all services without authorization. An attacker could gain full control over an affected device, if he has access to this service. The system manual recommends to protect access to this port.

AnalysisAI

A vulnerability has been identified in LOGO!. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Missing Authentication for Critical Function (CWE-306), which allows attackers to access critical functionality without authentication. A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). A service available on port 10005/tcp of the affected devices could allow complete access to all services without authorization. An attacker could gain full control over an affected device, if he has access to this service. The system manual recommends to protect access to this port. Affected products include: Siemens Logo\! 8 Bm Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Require authentication for all sensitive operations, implement defense in depth.