CVE-2023-22439

mediumpriority · track · 17EPSS 0.005 · 44 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.51% (44th) EPSS

CVSS 4.3 · medium

Is it mine?

15 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

Improper input validation of a large HTTP request in the Controller 6000 and Controller 7000 optional diagnostic web interface (Port 80) can be used to perform a Denial of Service of the diagnostic web interface. This issue affects: Gallagher Controller 6000 and 7000 8.90 prior to vCR8.90.231204a (distributed in 8.90.1620 (MR2)), 8.80 prior to vCR8.80.231204a (distributed in 8.80.1369 (MR3)), 8.70 prior to vCR8.70.231204a (distributed in 8.70.2375 (MR5)), 8.60 prior to vCR8.60.231116a (distributed in 8.60.2550 (MR7)), all versions of 8.50 and prior.

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.1–4.3

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:Lprimary · NVD / NIST USexploitability 2.8 · impact 1.4

v3.13.1lowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:Lsecondary · ENISA EU

v3.13.1lowCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:Lsecondary · disclosures@gallagher.comexploitability 1.6 · impact 1.4

v3.14mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimary

affected products (15)

Products and version ranges known to be affected.

Gallagher Controller 6000/ Controller 7000≤ 0 ≤8.50enisa_euvdEU
Gallagher Controller 6000/ Controller 70008.60 → vCR8.60.231116aenisa_euvdEU
Gallagher Controller 6000/ Controller 70008.70 → vCR8.70.231204aenisa_euvdEU
Gallagher Controller 6000/ Controller 70008.80 → vCR8.80.231204aenisa_euvdEU
Gallagher Controller 6000/ Controller 70008.90 → vCR8.90.231204aenisa_euvdEU
gallagher command centre≤ 8.50nvdUScpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:*
gallagher command centre8.60 → 8.60.231116anvdUScpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:*
gallagher command centre8.70 → 8.70.231204anvdUScpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:*
gallagher command centre8.80 → 8.80.231204anvdUScpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:*
gallagher command centre8.90 → 8.90.231204anvdUScpe:2.3:a:gallagher:command_centre:*:*:*:*:*:*:*:*
gallagher controller 6000 firmware≤ 8.50nvdUScpe:2.3:o:gallagher:controller_6000_firmware:*:*:*:*:*:*:*:*
gallagher controller 6000 firmware8.60 → 8.60.231116anvdUScpe:2.3:o:gallagher:controller_6000_firmware:*:*:*:*:*:*:*:*
gallagher controller 6000 firmware8.70 → 8.70.231204anvdUScpe:2.3:o:gallagher:controller_6000_firmware:*:*:*:*:*:*:*:*
gallagher controller 6000 firmware8.80 → 8.80.231204anvdUScpe:2.3:o:gallagher:controller_6000_firmware:*:*:*:*:*:*:*:*
gallagher controller 6000 firmware8.90 → 8.90.231204anvdUScpe:2.3:o:gallagher:controller_6000_firmware:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2023-12-18modified 2026-06-17

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+25194 more

references (5)

External citations — patches, advisories, analysis.

scry

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