What is the CVSS score of CVE-2022-25922?

CVE-2022-25922 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: 1.2%.

Plc4Trucks Firmware CVE-2022-25922

CRITICAL

Missing Authentication for Critical Function (CWE-306)

2022-03-10 ics-cert@hq.dhs.gov

Authentication Bypass Plc4Trucks Firmware

9.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:N/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: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

Mar 10, 2022 - 17:47 nvd

CRITICAL 9.1

DescriptionNVD

Power Line Communications PLC4TRUCKS J2497 trailer brake controllers implement diagnostic functions which can be invoked by replaying J2497 messages. There is no authentication or authorization for these functions.

AnalysisAI

Power Line Communications PLC4TRUCKS J2497 trailer brake controllers implement diagnostic functions which can be invoked by replaying J2497 messages. 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. Power Line Communications PLC4TRUCKS J2497 trailer brake controllers implement diagnostic functions which can be invoked by replaying J2497 messages. There is no authentication or authorization for these functions. Affected products include: Hegemonelectronics Plc4Trucks 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.