What is the CVSS score of CVE-2020-12506?

CVE-2020-12506 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H. EPSS exploitation probability: 1.5%.

750 362 Firmware CVE-2020-12506

CRITICAL

Missing Authentication for Critical Function (CWE-306)

2020-09-30 info@cert.vde.com

Authentication Bypass 750 362 Firmware 750 363 Firmware 750 823 Firmware 750 832 Firmware 750 862 Firmware 750 891 Firmware 750 890 Firmware

9.1

CVSS 3.1 · Vendor: cert

Severity by source

Vendor (cert) PRIMARY

9.1 CRITICAL

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

Primary rating from Vendor (cert) · only source for this CVE.

CVSS VectorVendor: cert

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Sep 30, 2020 - 16:15 cve.org

CRITICAL 9.1

DescriptionCVE.org

Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW03 allows an attacker to change the settings of the devices by sending specifically constructed requests without authentication This issue affects: WAGO 750-362, WAGO 750-363, WAGO 750-823, WAGO 750-832/xxx-xxx, WAGO 750-862, WAGO 750-891, WAGO 750-890/xxx-xxx in versions FW03 and prior versions.

AnalysisAI

Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW03 allows an attacker to change the settings of the devices by sending specifically constructed requests without. Rated critical severity (CVSS 9.1), 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. Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW03 allows an attacker to change the settings of the devices by sending specifically constructed requests without authentication This issue affects: WAGO 750-362, WAGO 750-363, WAGO 750-823, WAGO 750-832/xxx-xxx, WAGO 750-862, WAGO 750-891, WAGO 750-890/xxx-xxx in versions FW03 and prior versions. Affected products include: Wago 750-362 Firmware, Wago 750-363 Firmware, Wago 750-823 Firmware, Wago 750-832 Firmware, Wago 750-862 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.