Home/CVE/Ivanti Connect Secure and Policy Secure Command Injection Vulnerability
CVE

CVE-2024-21887

Ivanti Connect Secure and Policy Secure Command Injection Vulnerability

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.

CRITICAL · CVSS 9.1 ⚠ CISA KEV EPSS 0.94412 Ransomware: known
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • Linked to known ransomware campaigns
  • SSVC exploitation status: active
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules10 YARA rules0
⬢

Required Remediation

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

◆

Threat Actors Linked

11
actorAndariel
actorCadet Blizzard
actorEarth Estries
actorFlax Typhoon
actorMirrorFace
actorPioneer Kitten
⬡

Weakness Classification

CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')
▤

Affected Products & Versions

2
ivanti connect secureall versions
ivanti policy secureall versions
⚠

Public Exploits & PoCs

4
nucleiIvanti ICS - Authentication Bypasshigh
nucleiIvanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) - Command Injectioncritical
nucleiIvanti SAML - Server Side Request Forgery (SSRF)high
pocpacketstormsecurity.com · Ivanti-Connect-Secure-Unauthenticated-Remote-Code-Executi...packetstormsecurity.com
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Detection Rules (IDS/IPS)

5
et-openET EXPLOIT Ivanti Connect Secure (9.x,22.x) / Ivanti Policy Secure (9.x,22.x) / Ivanti Neurons for ZTA Command Injection via SSRF (CVE-2024-21887)attempted-admin
et-openET WEB_SPECIFIC_APPS Ivanti Pulse Secure Authentication Bypass and Command Injection Attempt (CVE-2023-46805, CVE-2024-21887) M1attempted-admin
et-openET WEB_SPECIFIC_APPS Ivanti Pulse Secure Authentication Bypass and Command Injection Attempt (CVE-2023-46805, CVE-2024-21887) M2attempted-admin
et-openET WEB_SPECIFIC_APPS Possible Ivanti Pulse Secure Authentication Bypass and Command Injection Attempt (CVE-2023-46805, CVE-2024-21887) M1trojan-activity
et-openET WEB_SPECIFIC_APPS Possible Ivanti Pulse Secure Authentication Bypass and Command Injection Attempt M2 (CVE-2023-46805, CVE-2024-21887)trojan-activity
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
◈

Sigma Hunt Rules

10
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
relatedcriticalAntivirus Exploitation Framework Detection
relatedcriticalAntivirus Password Dumper Detection
relatedcriticalAntivirus Ransomware Detection
relatedcriticalLinux Reverse Shell Indicator
relatedcriticalWebshell Remote Command Execution
relatedcriticalPossible Coin Miner CPU Priority Param
▣

Scoring & Timeline

9.1
CRITICAL · CVSS v3.1 · support@hackerone.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Jan 2024 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

6
cisaKEV-CVE-2024-21887
splunk-security-content15838756-f425-43fa-9d88-a7f88063e81a
splunk-security-content1f32a7e0-a060-4545-b7de-73fcf9ad536e
splunk-security-contentd51c13dd-a232-4c83-a2bb-72ab36233c5d
ctid-attack-flowctid-attack-flow-corpus-Ivanti-Vulnerabilities.afb
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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_USVendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-21887US Government Resource
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