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CVE-2024-28988 is a critical remote code execution vulnerability in SolarWinds Web Help Desk caused by deserialization of untrusted data in the AjaxProxy component. The flaw is reachable without authentication and allows a remote attacker to supply crafted serialized input that is processed by the application without sufficient validation. Successful exploitation results in arbitrary command execution on the underlying host. The issue was disclosed as a bypass of an earlier fix for CVE-2024-28986, indicating the original remediation did not fully eliminate the unsafe deserialization attack surface in Web Help Desk.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
35 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Prior SolarWinds Web Help Desk vulnerability whose patches can be bypassed by CVE-2025-26399 (details not provided in the content).
A prior SolarWinds Web Help Desk vulnerability referenced as having an incomplete fix that is bypassed by CVE-2025-26399.
A prior SolarWinds Web Help Desk vulnerability referenced as an incomplete fix that was bypassed by CVE-2025-26399.
Pre-auth deserialization RCE in SolarWinds Web Help Desk reported via ZDI; disclosed Oct 2024 and patched June 2025; later patches were bypassed by subsequent issues per the content.
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.