CVE-2026-20757 json
Improper Locking vulnerability (CWE-667) in Gallagher Morpho integration allows a privileged operator to cause a limited denial-of-service…
published 2026-03-03 8 mo ago modified 2026-08-18 2 mo ago also EUVD-2026-9275
- cvss
- 2.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 0%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Gallagher Command Centre Server 9.10.4647 (MR9), 9.20.3783 (MR6), 9.30.3382 (MR4), 9.40.1976(MR1)
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 8 mo ago
Exploit prediction
0.08% chance of exploitation in the next 30 days, higher than 0% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 2.5 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L |
Affected products
- Gallagher Command Centre Server
Classification
- Weakness
-
- CWE-667 Improper Locking
References
-
security.gallagher.com
/en-NZ/Security-Advisories/CVE-2026-20757
vendor-advisory
Sources
- CVE List CVE-2026-20757
- NVD CVE-2026-20757
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.