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Deserialization Attacks

Weekly Report: New Hacking Techniques and Critical CVEs 09 Sep – 15 Sep, 2025

The final week of August was marked by an unprecedented intersection of SaaS, supply chain, and state infrastructure attacks. Standout incidents included the highly technical s1ngularity AI-assisted supply chain compromise of Nx, the widespread theft of Salesforce and Google data via the Salesloft Drift OAuth breach, and ransomware that brought Nevada’s government services to a… Read More »Weekly Report: New Hacking Techniques and Critical CVEs 09 Sep – 15 Sep, 2025

Weekly Report: New Hacking Techniques and Critical CVEs 03 Sep – 09 Sep, 2025

The cybersecurity landscape during September 3-9, 2025, was dominated by several critical developments that demand immediate attention from security leaders. Most notably, a massive npm supply chain attack compromised over 18 widely-used JavaScript packages with billions of weekly downloads, while two actively exploited Android zero-day vulnerabilities (CVE-2025-38352 and CVE-2025-48543) underscored the persistent threat of mobile… Read More »Weekly Report: New Hacking Techniques and Critical CVEs 03 Sep – 09 Sep, 2025

Weekly Report: New Hacking Techniques and Critical CVEs 11 Aug – 18 Aug, 2025

The week of August 11-18, 2025 witnessed an unprecedented surge in critical cybersecurity incidents, with multiple zero-day vulnerabilities actively exploited by both nation-state actors and cybercriminal groups. This period marked one of the most volatile weeks in enterprise security, featuring critical vulnerabilities across major security platforms, unprecedented collaboration between notorious threat groups, and significant disruption… Read More »Weekly Report: New Hacking Techniques and Critical CVEs 11 Aug – 18 Aug, 2025

CVE-2025-20281 (Cisco ISE)

Description:  Injection vulnerability in Cisco ISE API enabling unauthenticated RCE. Technical Details: CVSS Score: 10.0 (Critical) Exploit: Attackers submit crafted POST requests to /admin/XXX endpoints with malicious JSON payloads ({“command”:”exec”}), exploiting insufficient input validation to execute code with root privileges. Bobby Gould’s PoC showed unsafe deserialization in JSON inputs, enabling RCE from Chinese IPs (e.g.,… Read More »CVE-2025-20281 (Cisco ISE)

CVE-2025-53770 (Microsoft SharePoint)

Description: Deserialization vulnerability enabling unauthenticated RCE via the /_layouts/15/ToolPane.aspx endpoint. Technical Details: CVSS Score: 9.8 (Critical) Exploit: Attackers craft malicious ASPX payloads (spinstall0.aspx) to exploit unsafe deserialization, extracting ValidationKey and DecryptionKey from __VIEWSTATE. Spoofed Referer headers (/layouts/SignOut.aspx) bypass authentication. The exploit chains with CVE-2025-49704 (spoofing, CVSS 8.8) and CVE-2025-49706 (RCE bypass), deploying .dll payloads (SHA256:… Read More »CVE-2025-53770 (Microsoft SharePoint)

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