CVE-2025-64734

Summary

Missing Release of Resource after Effective Lifetime (CWE-772) in the T21 Reader allows an attacker with physical access to the Reader to perform a denial-of-service attack against that specific reader, preventing cardholders from badging for entry.

This issue affects Command Centre Server:

9.30 prior to vCR9.30.251028a (distributed in 9.30.2881 (MR3)), 9.20 prior to vCR9.20.251028a (distributed in 9.20.3265 (MR5)), 9.10 prior to vCR9.10.251028a (distributed in 9.10.4135 (MR8)),  all versions of 9.00 and prior.

Affected Software

VendorProductVersion RangeStatus
GallagherT21 Reader0 <= 9.00affected
GallagherT21 Reader9.30 < vCR9.30.251028aaffected
GallagherT21 Reader9.20 < vCR9.20.251028aaffected
GallagherT21 Reader9.10 < vCR9.10.251028aaffected

Weaknesses

  • CWE-772: CWE-772 Missing Release of Resource after Effective Lifetime

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References