# SolarWinds Web Help Desk Deserialization of Untrusted Data · pwn.watch

> SolarWinds Web Help Desk contains a deserialization of untrusted data vulnerability that could allow for remote code execution. Added to the CISA KEV catalog on 2024-08-15.

Page: https://pwn.watch/i/solarwinds-web-help-desk-cve-2024-28986 · generated 2026-10-22T23:52:53.443Z

## Status
- Severity: critical · status: closed · patch: patched
- Product: SolarWinds Web Help Desk
- Started: 2024-08-13 · closed: 2024-08-15
- CVEs: CVE-2024-28986
- Affected: See vendor advisory (versions are not listed in the KEV record)
- Fixed in: See vendor advisory linked in sources

## Follow this incident
- RSS (one item per update): https://pwn.watch/i/solarwinds-web-help-desk-cve-2024-28986/feed.xml
- JSON Feed: https://pwn.watch/i/solarwinds-web-help-desk-cve-2024-28986/feed.json
- Full data (timeline, sources, posts, agentBrief): https://pwn.watch/i/solarwinds-web-help-desk-cve-2024-28986.json
- This file: https://pwn.watch/i/solarwinds-web-help-desk-cve-2024-28986/llms.txt

## Updates (newest first)
- 2024-08-15: CISA added CVE-2024-28986 to the KEV catalog (federal deadline 2024-09-05) (https://www.cisa.gov/known-exploited-vulnerabilities-catalog)
- 2024-08-13: CVE-2024-28986 published (https://nvd.nist.gov/vuln/detail/CVE-2024-28986)

## Fix brief
# Security brief: SolarWinds Web Help Desk Deserialization of Untrusted Data

Source: https://pwn.watch/i/solarwinds-web-help-desk-cve-2024-28986 · status: closed (closed Aug 15, 2024) · severity: critical · updated Aug 15, 2024

## Patch status
**PATCHED: fixed releases exist. Upgrade to a fixed version.**

## What it is
SolarWinds Web Help Desk contains a deserialization of untrusted data vulnerability that could allow for remote code execution. Added to the CISA KEV catalog on 2024-08-15.

Severity detail: CVSS 9.8 (v3.1, CNA), actively exploited (CISA KEV)

- Product: SolarWinds Web Help Desk
- CVE / advisory ids: CVE-2024-28986

## Affected versions
- See vendor advisory (versions are not listed in the KEV record)

## Check whether you're affected
No generic command applies (the product is a hosted service, appliance or desktop app). Check the installed version in its admin UI / About screen and compare with the versions above.

## Fix
Upgrade to one of these fixed versions (or later on the same branch):
- See vendor advisory linked in sources

After upgrading, re-run the checks above and redeploy/restart the affected services.

## Latest updates
- Aug 15, 2024: CISA added CVE-2024-28986 to the KEV catalog (federal deadline 2024-09-05)
- Aug 13, 2024: CVE-2024-28986 published

## Advisories
- [SolarWinds advisory: CVE-2024-28986](https://www.solarwinds.com/trust-center/security-advisories/cve-2024-28986) (SolarWinds)
- [NVD: CVE-2024-28986](https://nvd.nist.gov/vuln/detail/CVE-2024-28986) (NVD)
- [CISA Known Exploited Vulnerabilities Catalog](https://www.cisa.gov/known-exploited-vulnerabilities-catalog) (CISA)

## Caveats
Derived from the CISA KEV JSON feed (catalogVersion 2026.10.21); CVSS from the CVE record (cveawg.mitre.org). startedAt is the CVE publication date when it fell in 2024 before the KEV listing, else the KEV dateAdded; exploitation may have begun earlier. closedAt is the KEV listing date (a fix or mitigation was available then unless noted).

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Machine-readable: https://pwn.watch/i/solarwinds-web-help-desk-cve-2024-28986.json · all incidents: https://pwn.watch/incidents.json. Verify against the vendor advisory before changing production systems.