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The vulnerability of Modicon microprogrammed controllers lies in the lack of checks for the integrity of updates to the embedded software. This allows a malicious actor to download the updated embedded software from a compromised FTP server, thereby causing malfunctions of the controller.

🗓️ 25 Nov 2019 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 2 Views

Modicon controllers lack integrity checks on updates; attackers can download compromised updates via file transfer protocol, causing malfunctions.

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25 Nov 2019 00:00Current
5.6Medium risk
Vulners AI Score5.6
CVSS 34.9
CVSS 26.8
EPSS0.00362
2