Exploitation evidence
Known exploited · CISA KEV listed
Added 2024-01-10. Ransomware campaign use: Known.
CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date: 2024-01-22. 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
Ivanti / ICS
Default status: unaffected
- affected: 9.1R18 to ≤ 9.1R18 (custom)
- affected: 22.6R2 to ≤ 22.6R2 (custom)
Ivanti / IPS
Default status: unaffected
- affected: 9.1R18 to ≤ 9.1R18 (custom)
- affected: 22.6R1 to ≤ 22.6R1 (custom)
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
CVE Program record ↗ · Download tracked evidence as JSON
- https://forums.ivanti.com/s/article/CVE-2023-46805-Authentication-Bypass-CVE-2024-21887-Command-Injection-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure-Gateways?language=en_US
- http://packetstormsecurity.com/files/176668/Ivanti-Connect-Secure-Unauthenticated-Remote-Code-Execution.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-21887
Monitored source mentions
Shared CVE identifiers link source mentions; they do not establish that the reports describe the same incident.
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": 0.99999,
"percentile": 1.0
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.99999,
"percentile": 1.0
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.99999,
"percentile": 1.0
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.99999,
"percentile": 1.0
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.99999,
"percentile": 1.0
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.99999,
"percentile": 1.0
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.99999,
"percentile": 1.0
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.99999,
"percentile": 1.0
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.99999,
"percentile": 0.99999
}03 Nov 2026, 06:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-01T22:35:33.413Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://forums.ivanti.com/s/article/CVE-2023-46805-Authentication-Bypass-CVE-2024-21887-Command-Injection-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure-Gateways?language=en_US"
},
{
"tags": [
"x_transferred"
],
"url": "http://packetstormsecurity.com/files/176668/Ivanti-Connect-Secure-Unauthenticated-Remote-Code-Execution.html"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2024-21887",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-01-10T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
},
{
"other": {
"content": {
"dateAdded": "2024-01-10",
"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-21887"
},
"type": "kev"
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],
"problemTypes": [
{
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{
"cweId": "CWE-77",
"description": "CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')",
"lang": "en",
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],
"providerMetadata": {
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}
],
"timeline": [
{
"lang": "en",
"time": "2024-01-10T00:00:00.000Z",
"value": "CVE-2024-21887 added to CISA KEV"
}
],
"title": "CISA ADP Vulnrichment"
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],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "ICS",
"vendor": "Ivanti",
"versions": [
{
"lessThanOrEqual": "9.1R18",
"status": "affected",
"version": "9.1R18",
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},
{
"lessThanOrEqual": "22.6R2",
"status": "affected",
"version": "22.6R2",
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}
]
},
{
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{
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"status": "affected",
"version": "9.1R18",
"versionType": "custom"
},
{
"lessThanOrEqual": "22.6R1",
"status": "affected",
"version": "22.6R1",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A command injection vulnerability in web components of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) allows an authenticated administrator to send specially crafted requests and execute arbitrary commands on the appliance."
}
],
"metrics": [
{
"cvssV3_0": {
"baseScore": 9.1,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
"version": "3.0"
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],
"providerMetadata": {
"dateUpdated": "2024-01-22T17:06:21.273Z",
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"references": [
{
"url": "https://forums.ivanti.com/s/article/CVE-2023-46805-Authentication-Bypass-CVE-2024-21887-Command-Injection-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure-Gateways?language=en_US"
},
{
"url": "http://packetstormsecurity.com/files/176668/Ivanti-Connect-Secure-Unauthenticated-Remote-Code-Execution.html"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
"assignerShortName": "hackerone",
"cveId": "CVE-2024-21887",
"datePublished": "2024-01-12T17:02:16.481Z",
"dateReserved": "2024-01-03T01:04:06.538Z",
"dateUpdated": "2026-08-04T03:55:52.605Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.99999,
"percentile": 0.99999
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2024-21887",
"cwes": [
"CWE-77"
],
"dateAdded": "2024-01-10",
"dueDate": "2024-01-22",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Known",
"notes": "Please apply mitigations per vendor instructions. For more information, please see: https://forums.ivanti.com/s/article/KB-CVE-2023-46805-Authentication-Bypass-CVE-2024-21887-Command-Injection-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure-Gateways?language=en_US ; https://nvd.nist.gov/vuln/detail/CVE-2024-21887",
"product": "Connect Secure and Policy Secure",
"requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
"shortDescription": "Ivanti Connect Secure (ICS, formerly known as Pulse Connect Secure) and Ivanti Policy Secure contain a command injection vulnerability in the web components of these products, which can allow an authenticated administrator to send crafted requests to execute code on affected appliances. This vulnerability can be leveraged in conjunction with CVE-2023-46805, an authenticated bypass issue.",
"vendorProject": "Ivanti",
"vulnerabilityName": "Ivanti Connect Secure and Policy Secure Command Injection Vulnerability"
}