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CVE-2025-42964 is a critical insecure deserialization vulnerability in the SAP NetWeaver Enterprise Portal Administration component. The flaw allows a privileged user to upload untrusted serialized content that is subsequently deserialized without sufficient validation or sanitization. Public reporting describes the vulnerable input as crafted serialized Java objects processed through administrative upload functionality. If a malicious object graph is accepted and deserialized, attacker-controlled code may be invoked through available gadget chains, leading to compromise of the underlying host. The vulnerability affects confidentiality, integrity, and availability and is associated with a CVSS score of 9.1.
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No public exploit code observed for this vulnerability.
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A deserialization vulnerability in SAP NetWeaver referenced as part of SAP's 2025 security history.
A deserialization vulnerability in SAP products referenced among multiple critical SAP flaws in 2025 that were rapidly exploited in the wild.
Listed as a trending/high-risk CVE affecting SAP; no additional technical details provided in the content.
A critical insecure deserialization vulnerability in SAP NetWeaver Enterprise Portal (CVSS 9.1).
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.