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CVE-2024-45368

Sept. 14, 2024, 11:47 a.m.

CVSS Score

8.8 / 10

Product(s) Impacted

H2-DM1E PLC

Description

The H2-DM1E PLC's authentication protocol appears to utilize either a custom encoding scheme or a challenge-response protocol. However, there's an observed anomaly in the H2-DM1E PLC's protocol execution, namely its acceptance of multiple distinct packets as valid authentication responses. This behavior deviates from standard security practices where a single, specific response or encoding pattern is expected for successful authentication.

Weaknesses

CWE-384
Session Fixation

Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.

CWE ID: 384

Date

Published: Sept. 13, 2024, 5:15 p.m.

Last Modified: Sept. 14, 2024, 11:47 a.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

ics-cert@hq.dhs.gov

CVSS Data

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score
8.8
Exploitability Score
2.8
Impact Score
5.9
Base Severity
HIGH
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

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

References

https://www.cisa.gov/ ics-cert@hq.dhs.gov