CVE-2026-27790
CVSS Score
2.7
EPSS Score
0.2%
EPSS Percentile
13th
Uncaught Exception (CWE-248) in the T20 Readers allows an authenticated and authorized operator to trigger a restart by sending specific requests, resulting in a temporary denial of service. Version of Command Centre affected: * 9.50 prior to vCR9.50.260616a (distributed in 9.50.1587(MR1)) * 9.40 prior to vCR9.40.260616a (distributed in 9.40.3130(MR3)) * 9.30 prior to vCR9.30.260616a (distributed in 9.30.3983(MR5)) * 9.20 prior to vCR9.20.260616a (distributed in 9.20.4349(MR7)) * all versions of 9.10 and prior.
| CWE | CWE-248 |
| Vendor | gallagher |
| Product | t-20 readers |
| Published | Jul 7, 2026 |
| Last Updated | Jul 7, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected Versions
Gallagher / T-20 Readers
0 ≤ 9.10 9.50 < vCR9.50.260616a 9.40 < vCR9.40.260616a 9.30 < vCR9.30.260616a 9.20 < vCR9.20.260616a