Exploitation evidence
Known exploited · CISA KEV listed
Added 2024-08-15. Ransomware campaign use: Unknown.
CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date: 2024-09-05. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
SolarWinds / Web Help Desk
Default status: affected
- affected: previous versions to ≤ 12.8.3 (12.8.3)
Fixes and workarounds
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
Sources and related reporting
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.84628,
"percentile": 0.9971
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.84628,
"percentile": 0.99708
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.84628,
"percentile": 0.99707
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.84628,
"percentile": 0.99707
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.84628,
"percentile": 0.99706
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.84628,
"percentile": 0.99706
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.84628,
"percentile": 0.99706
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.84628,
"percentile": 0.99706
}04 Nov 2026, 06:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
"affected": [
{
"cpes": [
"cpe:2.3:a:solarwinds:webhelpdesk:*:*:*:*:*:*:*:*"
],
"defaultStatus": "affected",
"product": "webhelpdesk",
"vendor": "solarwinds",
"versions": [
{
"lessThanOrEqual": "12.8.3",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"metrics": [
{
"other": {
"content": {
"id": "CVE-2024-28986",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-08-15T14:32:53.512984Z",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2024-08-15",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-28986"
},
"type": "kev"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-10-21T22:55:47.324Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-28986"
}
],
"timeline": [
{
"lang": "en",
"time": "2024-08-15T00:00:00.000Z",
"value": "CVE-2024-28986 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "affected",
"product": "Web Help Desk",
"vendor": "SolarWinds",
"versions": [
{
"lessThanOrEqual": "12.8.3",
"status": "affected",
"version": "previous versions",
"versionType": "12.8.3"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"user": "00000000-0000-4000-9000-000000000000",
"value": "Inmarsat Government / Viasat"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>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. </p><p>While it was reported as an <em>unauthenticated</em> vulnerability, SolarWinds has been <em>unable to reproduce it</em> <em>without authentication</em> after thorough testing. </p><p>However, out of an abundance of caution, we recommend all Web Help Desk customers apply the patch, which is now available. </p>"
}
],
"value": "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. \n\nWhile it was reported as an unauthenticated vulnerability, SolarWinds has been unable to reproduce it without authentication after thorough testing. \n\nHowever, out of an abundance of caution, we recommend all Web Help Desk customers apply the patch, which is now available."
}
],
"impacts": [
{
"capecId": "CAPEC-586",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-586 Object Injection"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-502",
"description": "CWE-502 Deserialization of Untrusted Data",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-08-14T16:53:10.914Z",
"orgId": "49f11609-934d-4621-84e6-e02e032104d6",
"shortName": "SolarWinds"
},
"references": [
{
"url": "https://www.solarwinds.com/trust-center/security-advisories/CVE-2024-28986"
},
{
"url": "https://support.solarwinds.com/SuccessCenter/s/article/WHD-12-8-3-Hotfix-1"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "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<br>"
}
],
"value": "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"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "SolarWinds Web Help Desk Java Deserialization Remote Code Execution Vulnerability",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "49f11609-934d-4621-84e6-e02e032104d6",
"assignerShortName": "SolarWinds",
"cveId": "CVE-2024-28986",
"datePublished": "2024-08-13T22:06:45.234Z",
"dateReserved": "2024-03-13T20:27:09.782Z",
"dateUpdated": "2025-10-21T22:55:47.324Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.84628,
"percentile": 0.99705
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.84628,
"percentile": 0.99704
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2024-28986",
"cwes": [
"CWE-502"
],
"dateAdded": "2024-08-15",
"dueDate": "2024-09-05",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://www.solarwinds.com/trust-center/security-advisories/cve-2024-28986; https://nvd.nist.gov/vuln/detail/CVE-2024-28986",
"product": "Web Help Desk",
"requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
"shortDescription": "SolarWinds Web Help Desk contains a deserialization of untrusted data vulnerability that could allow for remote code execution.",
"vendorProject": "SolarWinds",
"vulnerabilityName": "SolarWinds Web Help Desk Deserialization of Untrusted Data Vulnerability"
}