CVE-2025-57849

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Red Hat Fuse 7", "source": "cna", "vendor": "Red Hat"}, "product": "fuse", "vendor": "redhat"}], "analysis": {"en": {"generated_at": "2026-03-19T14:43:51.059066+00:00", "value": {"mitigation_remediation": ["Update affected Red Hat Fuse 7 images to a patched version where /etc/passwd is created with non-group-writable permissions.", "Verify that new or restored images do not set group-writable permissions on /etc/passwd.", "Restrict membership in the root group within containers or the host to trusted users only.", "Monitor container runtimes for the creation of new UID 0 accounts and for changes to root group membership.", "Consider using image signing and integrity checks to prevent deployment of untrusted or modified images."], "summary": {"action": "Patch", "impact": "Privilege Escalation"}, "threat_synthesis": {"affected_systems": "The vulnerability affects Red Hat Fuse 7 container images, identified by the CPE cpe:/a:redhat:jboss_fuse:7. No specific version numbers were supplied, so any Fuse 7 image built from the indicated sources is potentially vulnerable. Red Hat publishes advisories at https://access.redhat.com/security/cve/CVE-2025-57849.", "description_and_impact": "A container privilege escalation flaw exists in certain Red Hat Fuse 7 images. The build process creates /etc/passwd with group-writable permissions (CWE-276). As a result, a non-root user who can execute commands inside the container and belongs to the root group can modify /etc/passwd. By creating a new entry with an arbitrary UID, the attacker can add a UID 0 account and thereby gain full root privileges within the container, compromising confidentiality, integrity, and availability.", "risk_and_exploitability": "The CVSS base score is 6.4, indicating moderate risk. The EPSS score is reported as less than 1%, signifying low exploitation probability. The vulnerability is not listed in CISA\u2019s KEV catalog. Exploitation requires an attacker who can execute code inside the container and is a member of the root group; the likely attack vector is local container privilege escalation. Once the attacker creates a UID 0 entry, they can run arbitrary commands with root privileges within the container, potentially affecting the host if privileged containers or breakout is feasible."}}}}, "created": "2026-03-16T09:38:02.139028+00:00", "updated": "2026-03-23T09:59:47.587048+00:00", "vendors": ["redhat", "redhat$PRODUCT$fuse"]}