What is the CVSS score of CVE-2024-22383?

CVE-2024-22383 has a CVSS 3.1 base score of 6.2 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.2%.

HBUS CVE-2024-22383

MEDIUM

Missing Release of Resource after Effective Lifetime (CWE-772)

2024-03-05 disclosures@gallagher.com

Denial Of Service

6.2

CVSS 3.1 · Vendor: gallagher

Severity by source

Vendor (gallagher) PRIMARY

6.2 MEDIUM

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

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

CVSS VectorVendor: gallagher

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Mar 05, 2024 - 03:15 cve.org

MEDIUM 6.2

DescriptionCVE.org

Missing release of resource after effective lifetime (CWE-772) in the Controller 7000 resulted in HBUS connected T-Series readers to not automatically recover after coming under attack over the RS-485 interface, resulting in a persistent denial of service.

This issue affects: All variants of the Gallagher Controller 7000 9.00 prior to vCR9.00.231204b (distributed in 9.00.1507(MR1)), 8.90 prior to vCR8.90.240209b (distributed in 8.90.1751 (MR3)), 8.80 prior to vCR8.80.240209a (distributed in 8.80.1526 (MR4)), 8.70 prior to vCR8.70.240209a (distributed in 8.70.2526 (MR6)).

AnalysisAI

Missing release of resource after effective lifetime (CWE-772) in the Controller 7000 resulted in HBUS connected T-Series readers to not automatically recover after coming under attack over the. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-772. Missing release of resource after effective lifetime (CWE-772) in the Controller 7000 resulted in HBUS connected T-Series readers to not automatically recover after coming under attack over the RS-485 interface, resulting in a persistent denial of service. This issue affects: All variants of the Gallagher Controller 7000 9.00 prior to vCR9.00.231204b (distributed in 9.00.1507(MR1)), 8.90 prior to vCR8.90.240209b (distributed in 8.90.1751 (MR3)), 8.80 prior to vCR8.80.240209a (distributed in 8.80.1526 (MR4)), 8.70 prior to vCR8.70.240209a (distributed in 8.70.2526 (MR6)).

Affected ProductsAI

See vendor advisory for affected versions.

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.