CVE-2024-39808

MEDIUM

4.6

CVSS Score

Published: September 11, 2024 at 04:03 AM UTC

Updated: June 17, 2026 at 07:42 AM UTC

2 products affected across 1 vendorController 6000Controller 7000

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Severity

MEDIUM4.6

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

Description

Incorrect Calculation of Buffer Size (CWE-131) in the Controller 6000 and Controller 7000 OSDP message handling, allows an attacker with physical access to Controller wiring to instigate a reboot leading to a denial of service. This issue affects: Controller 6000 and Controller 7000 9.10 prior to vCR9.10.240816a (distributed in 9.10.1530 (MR2)), 9.00 prior to vCR9.00.240816a (distributed in 9.00.2168 (MR4)), 8.90 prior to vCR8.90.240816a (distributed in 8.90.2155 (MR5)), 8.80 prior to vCR8.80.240816b (distributed in 8.80.1938 (MR6)), all versions of 8.70 and prior.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Controller 6000 · Gallagher

60%

v ≤ 8.708.80 ≤ v < vCR8.80.240816b8.90 ≤ v < vCR8.90.240816a9.00 ≤ v < vCR9.00.240816a9.10 ≤ v < vCR9.10.240816a8.80 8.90 9.00 9.10

Affected range stops below vCR8.80.240816b, so it looks safe — our inference, not a vendor statement

Affected range stops below vCR8.90.240816a, so it looks safe — our inference, not a vendor statement

Affected range stops below vCR9.00.240816a, so it looks safe — our inference, not a vendor statement

Affected range stops below vCR9.10.240816a, so it looks safe — our inference, not a vendor statement

Controller 7000 · Gallagher

60%

v ≤ 8.708.80 ≤ v < vCR8.80.240816b8.90 ≤ v < vCR8.90.240816a9.00 ≤ v < vCR9.00.240816a9.10 ≤ v < vCR9.10.240816a8.80 8.90 9.00 9.10

Affected range stops below vCR8.80.240816b, so it looks safe — our inference, not a vendor statement

Affected range stops below vCR8.90.240816a, so it looks safe — our inference, not a vendor statement

Affected range stops below vCR9.00.240816a, so it looks safe — our inference, not a vendor statement

Affected range stops below vCR9.10.240816a, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: [email protected]

https://security.gallagher.com/en-NZ/Security-Advisories/CVE-2024-39808

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.6MEDIUMGallagher

Attack Vector: PHYSICAL
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-131

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