{"cvss":8.7,"datePublished":"2024-05-29","dateUpdated":"2024-05-29","description":"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.","dueDate":"2024-06-19","id":"CVE-2024-4978","kev_catalogs":["cisa"],"knownRansomwareCampaignUse":"Unknown","notes":"Please follow the vendor’s instructions as outlined in the public statements at https://www.rapid7.com/blog/post/2024/05/23/cve-2024-4978-backdoored-justice-av-solutions-viewer-software-used-in-apparent-supply-chain-attack#remediation and https://www.javs.com/downloads;  https://nvd.nist.gov/vuln/detail/CVE-2024-4978","product":"Viewer ","requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","severity":"HIGH","source":"cisa_known_exploited","title":"Justice AV Solutions (JAVS) Viewer Installer Embedded Malicious Code Vulnerability","vendor":"Justice AV Solutions"}