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CVE-2023-6355Incorrect selection of fuse values in the Controller 7000 platform allows an attacker to bypass some protection mechanisms to enable local…

Description

Incorrect selection of fuse values in the Controller 7000 platform allows an attacker to bypass some protection mechanisms to enable local debug. This issue affects: Gallagher Controller 7000 9.00 prior to vCR9.00.231204b (distributed in 9.00.1507 (MR1)), 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)).

Timeline

  1. ID reserved

    By Gallagher

  2. · 20 days later

    Published

  3. · 8 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2023-6355, by who scored it
Scored byCVSSScoreVector
GallagherCNA (assigner)3.1Medium6.8CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Modified3.1Medium6.8CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.35% · top 71% of all CVEs (14 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.

Affected products

  • Gallagher · Controller 7000

    • affected 9.00 – < vCR9.00.231204b
    • affected 8.90 – < vCR8.90.231204a
    • affected 8.80 – < vCR8.80.231204a
    • affected 8.70 – < vCR8.70.231204a

References

References1

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .