CVE-2021-27665
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.57%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.57% probability · 75th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- johnsoncontrols/exacqvision server
- Source
- productsecurity@jci.com
EPSS 1.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://us-cert.gov/ics/advisories/icsa-21-280-03Mitigation, Third Party Advisory, US Government Resource
- https://www.johnsoncontrols.com/cyber-solutions/security-advisoriesVendor Advisory
- https://us-cert.gov/ics/advisories/icsa-21-280-03Mitigation, Third Party Advisory, US Government Resource
- https://www.johnsoncontrols.com/cyber-solutions/security-advisoriesVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.