CVE-2021-23140 json
Improper Authorization vulnerability in Gallagher Command Centre Server allows command line macros to be modified by an unauthorised Comman…
published 2021-06-11 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-10257
- cvss
- 9.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 58%
- public exploits
- 0
- none known
Summary
Improper Authorization vulnerability in Gallagher Command Centre Server allows command line macros to be modified by an unauthorised Command Centre Operator. This issue affects: Gallagher Command Centre 8.40 versions prior to 8.40.1888 (MR3); 8.30 versions prior to 8.30.1359 (MR3); 8.20 versions prior to 8.20.1259 (MR5); version 8.10 and prior versions.
Patch / fix
- Gallagher Command Centre 8.20.1259 (MR5), 8.30.1359 (MR3), 8.40.1888 (MR3)
Exploit prediction
0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Affected products
- Gallagher Command Centre
Classification
- Weakness
-
- CWE-285 Improper Authorization
References
-
security.gallagher.com
/Security-Advisories/CVE-2021-23140
vendor-advisory
Sources
- CVE List CVE-2021-23140
- NVD CVE-2021-23140
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