ACTIVELY EXPLOITED3 sources verified·1 min read
By Lyrie Threat Intelligence·3/3/2022
CVE-2017-12240 added to CISA KEV: Cisco IOS and IOS XE Software
Status: ✅ Confirmed exploited in the wild
Date added: 2022-03-03
Required action: Apply updates per vendor instructions.
Due date: 2022-03-24
Why this matters
The Dynamic Host Configuration Protocol (DHCP) relay subsystem of Cisco IOS and Cisco IOS XE Software contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code and gain full control of an affected system.
Sources
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