Medium severity · published Dec 18, 2023
CVE-2023-22439
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…
4.3
CVSS
0.5%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
Command Centre · Gallagher
through 8.50; 8.60 before 8.60.231116a; 8.70 before 8.70.231204a; 8.80 before 8.80.231204a; 8.90 before 8.90.231204a · source: NVD
C6
Controller 6000 Firmware · Gallagher
through 8.50; 8.60 before 8.60.231116a; 8.70 before 8.70.231204a; 8.80 before 8.80.231204a; 8.90 before 8.90.231204a · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-22439
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-22439
Vendor Advisory
https://security.gallagher.com/Security-Advisories/CVE-2023-22439
More from Command Centre
9.8
CVE-2020-16098
It is possible to enumerate access card credentials via an unauthenticated network connection to the server in versions of Command Centre v8.20 prior to v8.20.1166(MR3), versions…
9.8
CVE-2019-15294
An issue was discovered in Gallagher Command Centre 8.10 before 8.10.1092(MR2)
8.8
CVE-2021-23140
Improper Authorization vulnerability in Gallagher Command Centre Server allows command line macros to be modified by an unauthorised Command Centre Operator
8.8
CVE-2020-16103
Type confusion in Gallagher Command Centre Server allows a remote attacker to crash the server or possibly cause remote code execution
8.6
CVE-2026-25193
Insertion of Sensitive Information into Log File (CWE-532) in some Command Centre Service installers could lead to Service Account credentials exposure. Mitigating Factor: Only…