CVE-2024-28986SolarWinds Web Help Desk Java Deserialization Remote Code Execution Vulnerability
- 9.8CriticalCVSS base score
- 84.6%Exploitation in 30 daysEPSS · top 0.3% of all CVEs
- YesKnown exploitedin CISA's KEV since 15 Aug 2024
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability.
- Added
- 15 Aug 2024
- Fix due (US federal)
- 5 Sept 2024
- Used by ransomware
- Not known
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 15 Aug 2024.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Nuclei template for it. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits1
Nuclei templates1 template
- SolarWinds Web Help Desk < 12.8.3 - Insecure Deserialization (Nuclei template) (opens in a new tab)
http/cves/2024/CVE-2024-28986.yamlSeverity critical
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By SolarWinds
- 5 months later
· 5 months later
Published
- 2 days later
· 2 days later
Added to CISA KEV
Known exploited in the wild
- 14 months later
· 14 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| SolarWindsCNA (assigner) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 84.6% · top 0.3% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
- affected previous versions – ≤ 12.8.3
What to do
Solution: All SolarWinds Web Help Desk customers are advised to upgrade to the latest version of the SolarWinds Web Help Desk 12.8.3 HF 1
References
References3
- https://www.solarwinds.com/trust-center/security-advisories/CVE-2024-28986 (opens in a new tab)
- https://support.solarwinds.com/SuccessCenter/s/article/WHD-12-8-3-Hotfix-1 (opens in a new tab)
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-28986 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2024-26048 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2024-28986)Record last updated .