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Jimi Sebree

Senior Staff Research Engineer, Zero Day Research

Since joining in 2014, Jimi has taken on multiple roles within Tenable. He’s been involved in most aspects of the plugin lifecycle at one point or another and has been responsible for the creation and maintenance of several core plugin frameworks. Prior to joining the Zero Day Research team, he was responsible for the design, creation, and launch of an internal automation initiative that serves as a primary datasource for products and workflows within Tenable.

Research Advisory

Rockwell Automation ThinManager ThinServer.exe Monitor Thread Multiple Vulnerabilities

CVE-2024-10386An unauthenticated remote attacker can send a specially crafted message to the ThinManager database, which could result in the alteration of its contents. For example, the attacker can enable HTTP API and add an API key to the ApiKeys table in the database so that he or she can access protected API URL endpoints. 

Research Advisory

Ivanti Avalanche WLAvalancheService.exe v6.4.4.0 Multiple Denial of Service Vulnerabilities

Multiple NULL pointer dereference denial-of-service vulnerabilities exist in Ivanti Avalanche WLAvalancheService.exe v6.4.4.0 and prior.MuProperty type 101 NULL pointer dereference DoS (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)A message sent to WLAvalancheService.exe on TCP port 1777 has the following structure:

Research Advisory

Ada.cx SSRF via Sentry Misconfiguration

Tenable Research discovered an issue in Ada.cx's Sentry configuration that allowed for blind server-side

Research Advisory

Siemens SINEC NMS UMC Unauthenticated Heap-based Buffer Overflow

A heap-based buffer overflow vulnerability exists in um.gpslib.dll v210.1.0.1 in Siemens SINEC NMS UMC (User Management Component) when processing a network message sent to um

Research Advisory

OPA SMB Force-Authentication

A SMB force-authentication vulnerability exists in all versions of OPA for Windows prior to v0.68.0. The vulnerability exists because of improper input validation, allowing a user to pass an arbitrary SMB share instead of a Rego file as an argument to OPA CLI or to one of the OPA Go library’s functions.This vulnerability requires one of the following:

Research Advisory

Fortra FileCatalyst Workflow Static HSQLDB Password

Fortra Catalyst Workflow contains a static HSQLDB password that can be used by a remote attacker to access the service with administrative access.

Research Advisory

Flowise Denial of Service

An Unauthenticated Denial of Service (DoS) vulnerability exists in Flowise version 1.8.2 leading to a complete crash of the instance running a vulnerable version due to improper handling of user supplied input to the “/api/v1/get-upload-file” api endpoint. 

Research Advisory

Flowise Authentication Bypass

An Authentication Bypass vulnerability exists in Flowise versions prior 2.0.6. This could allow a remote, unauthenticated attacker to access API endpoints as an administrator and allow them to access restricted functionality. 

Research Advisory

DevikaAI Stored Cross-Site Scripting

A Stored Cross-Site Scripting exists in the current version of DevikaAI (June 8 -

Research Advisory

Ivanti Avalanche WLInfoRailService.exe Off-By-One Unauthenticated DoS

An off-by-one denial-of-service vulnerability exists in Ivanti Avalanche WLInfoRailService.exe v6.4.3.0 and prior. An unauthenticated remote attacker can exploit it to terminate the process.A message sent to WLInfoRailService.exe on TCP port 7225 has the following structure:

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