Cyber Resilience

CVE-2021-23204

High

Published: 11 June 2021

Published
11 June 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS Score 0.0018 39.4th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-23204 is a high-severity Exposure of Sensitive Information to an Unauthorized Actor (CWE-200) vulnerability in Gallagher Command Centre. Its CVSS base score is 8.1 (High).

Operationally, ranked at the 39.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Gallagher Command Centre Server allows OSDP key material to be exposed to Command Centre Operators. This issue affects: Gallagher Command Centre 8.40 versions prior to 8.40.1888 (MR3); 8.30 versions prior…

more

to 8.30.1359 (MR3).

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

gallagher
command centre
8.30 — 8.30.1359 · 8.40 — 8.40.1888

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-862 CWE-200

Requiring attribute association with information prevents authorization from being performed without necessary security or privacy context.

addresses: CWE-862 CWE-200

Mandates authorization checks before permitting access or data processing via external systems.

addresses: CWE-862 CWE-200

The control provides a mechanism for authorized users to determine authorization matches, preventing sharing without proper authorization verification.

addresses: CWE-200 CWE-862

Session auditing enables detection of unauthorized exposure or access to sensitive information during user activities.

addresses: CWE-200 CWE-862

Sanitizing equipment to remove specified information before off-site maintenance prevents exposure of sensitive information to unauthorized actors such as external maintenance personnel.

addresses: CWE-200 CWE-862

Requiring detailed, requestable records of every PII disclosure directly aids detection of unauthorized exposures of sensitive information.

addresses: CWE-862 CWE-200

Ensures missing authorization mechanisms for critical data functions are identified and remediated via policy.

addresses: CWE-200 CWE-862

Annual reviews and proposal scrutiny detect and block matching programs that would expose sensitive data to unauthorized recipients or systems.

References