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CVE-2024-28986

CRITICAL9.8
CISA KEV

Published 2024-08-13 · Updated 2026-06-17 · Source psirt@solarwinds.com

Summary

CVE-2024-28986 is a critical-severity (CVSS 9.8) vulnerability in SolarWinds Web Help Desk. CISA added it to the Known Exploited Vulnerabilities catalog on August 15, 2024, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by September 5, 2024. CISA does not currently list it as used in ransomware campaigns. SolarWinds has 11 vulnerabilities in the KEV catalog, 2 of them linked to ransomware.

All 11 known-exploited SolarWinds vulnerabilities →

Description

SolarWinds Web Help Desk was found to be susceptible to a Java Deserialization Remote Code Execution vulnerability that, if exploited, would allow an attacker to run commands on the host machine. While it was reported as an unauthenticated vulnerability, SolarWinds has been unable to reproduce it without authentication after thorough testing.   However, out of an abundance of caution, we recommend all Web Help Desk customers apply the patch, which is now available.

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-502

CISA Known-Exploited Vulnerability

Product: SolarWinds — Web Help Desk

Name: SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability

Date added: 2024-08-15 · Due: 2024-09-05

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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