Command Centre
CVE-2026-20757
LOW
Severity by source
AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
Primary rating from Vendor (gallagher) · only source for this CVE.
CVSS VectorVendor: gallagher
Lifecycle Timeline
2DescriptionCVE.org
Improper Locking vulnerability (CWE-667) in Gallagher Morpho integration allows a privileged operator to cause a limited denial-of-service in the Command Centre Server.
This issue affects Command Centre Server:
9.40 prior to vEL9.40.1976(MR1), 9.30 prior to vEL9.30.3382 (MR4), 9.20 prior to vEL9.20.3783 (MR6), 9.10 prior to vEL9.10.4647 (MR9), all versions of 9.00 and prior.
AnalysisAI
Improper Locking vulnerability (CWE-667) in Gallagher Morpho integration allows a privileged operator to cause a limited denial-of-service in the Command Centre Server. [CVSS 2.5 LOW]
Technical ContextAI
Classified as CWE-667 (Improper Locking). Improper Locking vulnerability (CWE-667) in Gallagher Morpho integration allows a privileged operator to cause a limited denial-of-service in the Command Centre Server.
This issue affects Command Centre Server:
9.40 prior to vEL9.40.1976(MR1), 9.30 prior to vEL9.30.3382 (MR4), 9.20 prior to vEL9.20.3783 (MR6), 9.10 prior to vEL9.10.4647 (MR9), all versions of 9.00 and prior.
RemediationAI
Monitor vendor advisories for a patch.
More in Command Centre
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Type confusion in Gallagher Command Centre Server allows a remote attacker to crash the server or possibly cause remote
Improper Authentication vulnerability in Gallagher Command Centre Server allows an unauthenticated remote attacker to cr
Client-Side enforcement of Server-Side security for the Command Centre server could be bypassed and lead to invalid conf
Improper Encoding or Escaping in Gallagher Command Centre Server allows a Command Centre Operator to alter the configura
Unquoted service path vulnerability in the Gallagher Controller Service allows an unprivileged user to execute arbitrary
In Gallagher Command Centre versions 8.10 prior to 8.10.1134(MR4), 8.00 prior to 8.00.1161(MR5), 7.90 prior to 7.90.991(
A stack-based buffer overflow in the Command Centre Server allows an attacker to cause a denial of service attack via as
An Incomplete Comparison with Missing Factors vulnerability in the Gallagher Controller allows an attacker to bypass PIV
It is possible for an unauthenticated remote DCOM websocket connection to crash the Command Centre service due to an out
Same weakness CWE-667 – Improper Locking
View allSame technique Information Disclosure
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External POC / Exploit Code
Leaving vuln.today