IRONSMITHINTEL
CRITICALCVSS9.8
|
Actively Exploited
|CISA KEV|CVE-2024-28986|Auth: none — unauthenticated|Reboot: required|Manual only

SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability

SolarWinds Web Help Desk contains a deserialization of untrusted data vulnerability that could allow for remote code execution.

Published Aug 13, 2024 · Updated May 16, 2026
Why patchRisk explained in plain English
Worst-case scenarioIf unpatched

A remote attacker, without authentication, can achieve full data confidentiality loss, arbitrary modification of data, complete denial of service or system unavailability. Federal agencies are required to remediate by 2024-09-05 under CISA BOD 22-01.

How the attack worksNo clicks needed

This is a Deserialization of Untrusted Data (CWE-502) vulnerability in SolarWinds Web Help Desk. Exploitation requires remote network access, low attack complexity, no authentication required, and no user interaction required.

📧

Phishing link

🖼

Malicious file

🔓

Server compromised

Am I affected?Quick check

Probably yes if any of these apply:

IT Security
Running web help desk: v ≤ 12.8.2, 12.8.3
Real-world incidentsWhat we've seen

CISA added this CVE to the Known Exploited Vulnerabilities catalog on 2024-08-15 based on evidence of active exploitation in the wild. Federal agencies required to remediate by 2024-09-05.

How to patch

Manual remediation steps

Apply the Vendor Patch

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog — apply the vendor's security update as soon as possible.

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

References

    1
    Vendor advisory: https://www.solarwinds.com/trust-center/security-advisories/cve-2024-28986
    1
    NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2024-28986
    1
    CISA KEV: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-28986
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