ACTIVELY EXPLOITED3 sources verified·1 min read
By Lyrie Threat Intelligence·5/29/2024
CVE-2024-4978 added to CISA KEV: Justice AV Solutions Viewer
Status: ✅ Confirmed exploited in the wild
Date added: 2024-05-29
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Due date: 2024-06-19
Why this matters
Justice AV Solutions (JAVS) Viewer installer contains a malicious version of ffmpeg.exe, named fffmpeg.exe (SHA256: 421a4ad2615941b177b6ec4ab5e239c14e62af2ab07c6df1741e2a62223223c4). When run, this creates a backdoor connection to a malicious C2 server.
Sources
Lyrie Verdict
Lyrie's autonomous detection layer catches active exploitation primitives at machine speed — closing the gap between disclosure and weaponization that traditional defense simply can't cover.
Validated sources
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