critical Known exploitedREV. 01
CVE-2024-21887Ivanti Connect Secure — Command Injection in the Web Components
Ivanti Connect Secure and Policy Secure let an authenticated administrator smuggle system commands through their web components. Chained with the authentication bypass CVE-2023-46805, it becomes unauthenticated RCE on the appliance.
Read the risk
THE VITAL STATS- CVSS score
- 9.1/ 10 CVSS v3.1
- EPSS probability
- 100% Likelihood of exploitation
- Attack complexity
- Low Conditions needed to exploit
- Known exploited
- Yes — CISA KEV
- CVE published
- 2024-01-12
- Added to KEV
- 2024-01-10
- Exploit published
- Yes
- Confidence
- high
- Kill chain
- initial access
- MITRE ATT&CK
- T1190, T1059
- Severity
- critical
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Attacker needsAdministrator authentication on an affected appliance (9.x, 22.x) — in practice supplied by chaining the authentication bypass CVE-2023-46805.
Behind the card
4 REFERENCES- 01CVE recordNVD recordnvd.nist.gov
- 02Vendor advisoryIvanti advisory for the bypass and injection pairforums.ivanti.com
- 03ExploitPublic unauthenticated remote code execution exploitpacketstormsecurity.com
- 04CISACISA Known Exploited Vulnerabilities entrycisa.gov
Field-level provenanceTRACE THE SOURCES +
Which source supports each field, when it was retrieved, and who extracted it.
| Fields | Source | Retrieved | Extractor | Confidence |
|---|---|---|---|---|
| title, summary, cvss, severity, exploitation.attack_complexity, exploitation.exploit_available, remediation.patch_available, references | nvd.nist.gov | 2026-08-07 | claude-code | high |
| exploitation.known_exploited, exploitation.prerequisites, recommended_action | cisa.gov | 2026-08-07 | claude-code | high |
| epss | api.first.org | 2026-08-07 | claude-code | high |
Printing history
THE RECORD- r1Initial base card
First printing. This card has not been reprinted since publication.