CVE-2021-20612

Published on: 01/14/2022 12:00:00 AM UTC

Last Modified on: 01/14/2022 09:37:00 PM UTC

The following vulnerability was found:

Lack of administrator control over security vulnerability in MELSEC-F series FX3U-ENET Firmware version 1.14 and prior, FX3U-ENET-L Firmware version 1.14 and prior and FX3U-ENET-P502 Firmware version 1.14 and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition in communication function of the product or other unspecified effects by sending specially crafted packets to an unnecessary opening of TCP port. Control by MELSEC-F series PLC is not affected by this vulnerability, but system reset is required for recovery.

CVE References

Description Tags Link
JVNVU#93268332: MELSEC FシリーズEthernetインタフェースブロックにおける複数の脆弱性 jvn.jp
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URL Logo MISC jvn.jp/vu/JVNVU93268332/index.html
www.mitsubishielectric.com
application/pdf
URL Logo MISC www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-023_en.pdf
Mitsubishi Electric MELSEC-F Series | CISA www.cisa.gov
text/html
URL Logo MISC www.cisa.gov/uscert/ics/advisories/icsa-22-013-01

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-20612 : Lack of administrator control over security vulnerability in MELSEC-F series FX3U-ENET Firmware ve… twitter.com/i/web/status/1… 2022-01-14 19:45:14
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