FKIE_CVE-2021-20612

Vulnerability from fkie_nvd - Published: 2022-01-14 20:15 - Updated: 2024-11-21 05:46
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
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.
References
Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jphttps://jvn.jp/vu/JVNVU93268332/index.htmlThird Party Advisory, VDB Entry
Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jphttps://www.cisa.gov/uscert/ics/advisories/icsa-22-013-01Third Party Advisory, US Government Resource
Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jphttps://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-023_en.pdfVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://jvn.jp/vu/JVNVU93268332/index.htmlThird Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://www.cisa.gov/uscert/ics/advisories/icsa-22-013-01Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-023_en.pdfVendor Advisory
Impacted products
Vendor Product Version
mitsubishielectric fx3u-enet_firmware *
mitsubishielectric fx3u-enet -
mitsubishielectric fx3u-enet-l_firmware *
mitsubishielectric fx3u-enet-l -
mitsubishielectric fx3u-enet-p502_firmware *
mitsubishielectric fx3u-enet-p502 -
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.