Vulnerability

CVE-2024-21887

Critical· 9.1KEVEXPLOITCVSS9.1EPSS94%

.rules3/5

Ivanti Connect Secure and Policy Secure Command Injection Vulnerability

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.

Threat signal

100/100

Severe

Severity

critical

CVSS

9.1

EPSS

94%

Active

KEV

CISA KEV — actively exploited

Ransomware: Known873d overdue

AffectedIvanti — Connect Secure and Policy Secure

Added to KEV

2024-01-10

Federal patch due (BOD 22-01)

2024-01-22

Required action (CISA verbatim)

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

Vendor advisory + references

CISA description: “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.”

CVSS

v3.1Open in FIRST calculator →

9.1/ 10CRITICALCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack VectorNetworkExploitable remotely over the internet — no local access needed.
Attack ComplexityLowNo special conditions — exploit works reliably.
Privileges RequiredHighAdmin / root privileges required.
User InteractionNoneFully automated — no victim action needed.
ScopeChangedImpact extends beyond the vulnerable component (e.g. sandbox escape).
Confidentiality ImpactHighTotal disclosure of sensitive data.
Integrity ImpactHighTotal compromise of integrity — full data modification possible.
Availability ImpactHighTotal loss of availability — full DoS possible.

EPSS

Exploit prediction · 30-day horizonFIRST.org →

94.4%

probability of exploitation in next 30 days

p100

higher than 100% of all CVEs

3-day trend↑ 0pp

Statistically about to be weaponized — top-tier triage urgency.

Vendor VEX

No VEX statements published for CVE-2024-21887. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.

SSVCAct

Active exploitation with total impact on essential/support systems

exploitation: active
automatable: yes
impact: total
mission: support

Lifecycle

2024-01-10Added to CISA KEVransomware: Known
2024-01-10Public exploit observedmetasploit
2024-01-10Published
2024-01-22Federal patch due (BOD 22-01)
2026-06-12Last modified1 source

Mentions in news & research

No source-event history recorded yet. New revisions will appear here as ingestors re-fetch this CVE.