7.6

CVE-2021-20826

Unprotected transport of credentials vulnerability in IDEC PLCs (FC6A Series MICROSmart All-in-One CPU module v2.32 and earlier, FC6A Series MICROSmart Plus CPU module v1.91 and earlier, WindLDR v8.19.1 and earlier, WindEDIT Lite v1.3.1 and earlier, and Data File Manager v2.12.1 and earlier) allows an attacker to obtain the PLC Web server user credentials from the communication between the PLC and the software. As a result, the complete access privileges to the PLC Web server may be obtained, and manipulation of the PLC output and/or suspension of the PLC may be conducted.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Idec ≫ Microsmart Fc6a Firmware Version <= 2.32
   Idec ≫ Microsmart Fc6a Version-
Idec ≫ Microsmart Plus Fc6a Firmware Version <= 1.91
   Idec ≫ Microsmart Plus Fc6a Version-
Idec ≫ Data File Manager Version <= 2.12.1
Idec ≫ Windedit Version <= 1.3.1
Idec ≫ Windldr Version <= 8.19.1
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.09% 0.228
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.6 2.8 4.7
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
nvd@nist.gov 3.3 6.5 2.9
AV:A/AC:L/Au:N/C:P/I:N/A:N
CWE-522 Insufficiently Protected Credentials

The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.