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CVE-2023-44353 is a deserialization of untrusted data vulnerability in Adobe ColdFusion affecting ColdFusion 2023 Update 5 and earlier and ColdFusion 2021 Update 11 and earlier. The issue is associated with ColdFusion's handling of WDDX deserialization and incomplete prior mitigations based on deny-list filtering, which left additional reachable classes and setter methods available to attacker-controlled input. Research indicates an unauthenticated remote attacker can supply crafted serialized data to exposed ColdFusion endpoints and invoke public zero-argument constructors together with public non-static setter methods that accept a single argument. Demonstrated abuse paths included methods that allow file and directory existence checks, outbound network interactions, modification of Central Config Server settings, and in some cases arbitrary code execution. The vulnerability has also been described by the vendor as potentially resulting in arbitrary code execution without requiring user interaction.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
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.
11 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A remote code execution vulnerability in Adobe ColdFusion, enabling attackers to run arbitrary code on affected servers.
A remote code execution vulnerability in Adobe ColdFusion, exploited in a coordinated campaign.
A remote code execution vulnerability in Adobe ColdFusion, exploited in a coordinated campaign.
A vulnerability in Adobe ColdFusion exploited as part of a coordinated campaign for code execution, credential harvesting, and JNDI lookups.
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.