CVE-2021-31643
MEDIUM
5.4
CVSS Score
Published: June 1, 2021 at 02:16 PM UTC
Updated: June 17, 2026 at 03:52 AM UTC
22 products affected across 1 vendorSemac S1 Osdp FirmwareSemac S2 FirmwareSemac D1 Firmware
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Severity
MEDIUM5.4
Exploit prediction
EPSS 88%
Description
An XSS vulnerability exists in several IoT devices from CHIYU Technology, including SEMAC, Biosense, BF-630, BF-631, and Webpass due to a lack of sanitization on the component if.cgi - username parameter.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (4)
x_refsource_MISCExploitThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/162887/CHIYU-IoT-Cross-Site-Scripting.htmlx_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31643x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/x_refsource_MISCx_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.chiyu-tech.com/msg/message-Firmware-update-87.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
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