CVE-2021-27665
exacqVision Server 32-bit
An unauthenticated remote user could exploit a potential integer overflow condition in the exacqVision Server with a specially crafted script and cause denial-of-service condition.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
exacqVision Server 32-bit
An unauthenticated remote user could exploit a potential integer overflow condition in the exacqVision Server with a specially crafted script and cause denial-of-service condition.
- Record
CVE-2021-27665- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
EUVDEUVD-2021-14411
An unauthenticated remote user could exploit a potential integer overflow condition in the exacqVision Server with a specially crafted script and cause denial-of-service condition.
- Record
EUVD-2021-14411- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vhxw-gj92-g74w No score
An unauthenticated remote user could exploit a potential integer overflow condition in the...
An unauthenticated remote user could exploit a potential integer overflow condition in the exacqVision Server with a specially crafted script and cause denial-of-service condition.
- Record
GHSA-vhxw-gj92-g74w- Weakness
- CWE-190
- Updated
- 2026-11-02
NVD
An unauthenticated remote user could exploit a potential integer overflow condition in the exacqVision Server with a specially crafted script and cause denial-of-service condition.
- Record
CVE-2021-27665- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-190
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-27665 is a high vulnerability (CVSS 7.5) in Johnsoncontrols Exacqvision Server, published October 11, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.57%, the 75th percentile. No source names a fixed version.