What is the CVSS score of CVE-2022-42787?

CVE-2022-42787 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.7%.

At Modem Emulator Firmware CVE-2022-42787

HIGH

Use of Insufficiently Random Values (CWE-330)

2022-11-10 info@cert.vde.com

8.8

CVSS 3.1 · Vendor: cert

Severity by source

Vendor (cert) PRIMARY

8.8 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Nov 10, 2022 - 12:15 cve.org

HIGH 8.8

DescriptionCVE.org

Multiple W&T products of the Comserver Series use a small number space for allocating sessions ids. After login of an user an unathenticated remote attacker can brute force the users session id and get access to his account on the the device. As the user needs to log in for the attack to be successful a user interaction is required.

AnalysisAI

Multiple W&T products of the Comserver Series use a small number space for allocating sessions ids. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-330. Multiple W&T products of the Comserver Series use a small number space for allocating sessions ids. After login of an user an unathenticated remote attacker can brute force the users session id and get access to his account on the the device. As the user needs to log in for the attack to be successful a user interaction is required. Affected products include: Wut At-Modem-Emulator Firmware, Wut Com-Server \+\+ Firmware, Wut Com-Server 20Ma Firmware, Wut Com-Server Highspeed 100Basefx Firmware, Wut Com-Server Highspeed 100Baselx Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.