Gallagher Command Centre Server up to 9.00 Morpho locking

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
2.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Gallagher Command Centre Server up to 9.00 and classified as problematic. The affected element is an unknown function of the component Morpho. Performing a manipulation results in locking. This vulnerability is cataloged as CVE-2026-20757. The attack must be initiated from a local position. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Gallagher Command Centre Server up to 9.00. This affects an unknown part of the component Morpho. The manipulation with an unknown input leads to a locking vulnerability. CWE is classifying the issue as CWE-667. The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors. This is going to have an impact on availability. The summary by CVE is:

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.

It is possible to read the advisory at security.gallagher.com. This vulnerability is uniquely identified as CVE-2026-20757 since 03/02/2026. The exploitability is told to be difficult. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 9.10.4647 (MR9), 9.20.3783 (MR6), 9.30.3382 (MR4) or 9.40.1976(MR1) eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CNNVD (CNNVD-202603-374). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.5
VulDB Meta Temp Score: 2.4

VulDB Base Score: 2.5
VulDB Temp Score: 2.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 2.5
CNA Vector (Gallagher): 🔒

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Locking
CWE: CWE-667
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Command Centre Server 9.10.4647 (MR9)/9.20.3783 (MR6)/9.30.3382 (MR4)/9.40.1976(MR1)

Timelineinfo

03/02/2026 CVE reserved
03/03/2026 +1 days Advisory disclosed
03/03/2026 +0 days VulDB entry created
03/04/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: security.gallagher.com
Status: Confirmed

CVE: CVE-2026-20757 (🔒)
GCVE (CVE): GCVE-0-2026-20757
GCVE (VulDB): GCVE-100-348519
CNNVD: CNNVD-202603-374 - Gallagher Command Centre Server 安全漏洞

Entryinfo

Created: 03/03/2026 06:58
Updated: 03/04/2026 19:09
Changes: 03/03/2026 06:58 (63), 03/04/2026 19:09 (6)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!