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CVE-2025-42966 is an insecure Java deserialization vulnerability in the SAP NetWeaver XML Data Archiving Service. An authenticated attacker holding administrative privileges can submit a specially crafted serialized Java object to exploit unsafe deserialization. Successful exploitation can have a high impact on the confidentiality, integrity, and availability of the affected application.
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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.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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 XML Data Archiving (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.