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CVE-2025-21533 is a vulnerability in the Core component of Oracle VM VirtualBox. Affected versions include releases prior to 7.0.24 and prior to 7.1.6. The flaw is described as easily exploitable by a low-privileged attacker who already has logon access to the infrastructure where Oracle VM VirtualBox is running. Successful exploitation can compromise Oracle VM VirtualBox and lead to unauthorized access to sensitive data accessible through the product. The available information indicates a confidentiality-focused impact, but does not provide sufficient technical detail about the vulnerable function or root cause to characterize the flaw more precisely.
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What an attacker gets, and what they’ve been doing with it.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.