PatchTheCVEsemac s2 firmware vulnerabilities and fixes
Recent CVEs affecting semac s2 firmware, with upgrade or downgrade steps. 5 tracked.
Also searched as: semacs2firmware.
semac s2 firmware has 5 tracked vulnerabilities, 1 critical. A fixed release or vendor patch exists for 1. Most recent: 2021-06-04. Highest priority: CVE-2021-31251 (score 69/100).
- CVE-2021-31643 MEDIUM 5.4 MITIGATE MITIGATE An XSS vulnerability exists in several IoT devices from CHIYU Technology, including SEMAC, Biosense, BF-630, B
- CVE-2021-31642 MEDIUM 6.5 MITIGATE MITIGATE A denial of service condition exists after an integer overflow in several IoT devices from CHIYU Technology, i
- CVE-2021-31641 MEDIUM 6.1 MITIGATE MITIGATE An unauthenticated XSS vulnerability exists in several IoT devices from CHIYU Technology, including BF-630, BF
- CVE-2021-31252 MEDIUM 6.1 MITIGATE MITIGATE An open redirect vulnerability exists in BF-630, BF-450M, BF-430, BF-431, BF631-W, BF830-W, Webpass, and SEMAC
- CVE-2021-31251 CRITICAL 9.8 MITIGATE MITIGATE An authentication bypass in telnet server in BF-430 and BF431 232/422 TCP/IP Converter, BF-450M and SEMAC from
FAQ
How do I fix semac s2 firmware vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is semac s2 firmware being exploited right now?
None of the tracked semac s2 firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which semac s2 firmware CVE should I patch first?
CVE-2021-31251 currently ranks highest (69/100): An authentication bypass in telnet server in BF-430 and BF431 232/422 TCP/IP Converter, BF-450M and SEMAC from.