CVE-2021-40422
highpriority · track · 42OT risk · elevatedEPSS 0.062 · 93 %ileEUUSEPSS · scored 2026-10-27
An authentication bypass vulnerability exists in the device password generation functionality of Swift Sensors Gateway SG3-1010. A specially-crafted network request can lead to remote code execution. An attacker can send a sequence of requests to trigger this vulnerability.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 9.1–10
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
- swiftsensors sg3-1010 firmwareall versionsnvdUScpe:2.3:o:swiftsensors:sg3-1010_firmware:*:*:*:*:*:*:*:*
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2021-40422cnnvd
- https://cxsecurity.com/cveshow/CVE-2021-40422/cnnvd
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1431cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2022030102cnnvd
- https://www.swiftsensors.com/catalog/gateways/sg3-1010/Patchcnnvd
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1431enisa_euvd
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1431ExploitThird Party Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan