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CVE-2025-42999 is an insecure deserialization vulnerability in SAP NetWeaver Visual Composer Metadata Uploader, including Visual Composer Framework component VCFRAMEWORK 7.50. A privileged attacker can upload specially crafted content containing malicious serialized data that executes code when deserialized, potentially compromising the host system. Exploitation requires Visual Composer to be enabled. Attackers have also chained the vulnerability with CVE-2025-31324 to bypass authentication and achieve remote code execution. The vulnerability is actively exploited, and a public weaponized exploit chain is available.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
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.
61 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability related to CVE-2025-31324 for which SAP released patches. No technical details, exploitation status, or affected component are provided.
A SAP NetWeaver vulnerability used in a public exploit chain to bypass authentication and achieve RCE (when chained with CVE-2025-31324).
SAP NetWeaver critical flaw used in a chained exploit with CVE-2025-31324 to bypass authentication and achieve remote code execution.
A critical vulnerability addressed by SAP Security Note 3604119, described as the underlying root cause behind CVE-2025-31324 and associated with insecure deserialization. It was added to CISA's KEV catalog, indicating exploitation in the wild.
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.