CVE-2021-22899

8.8 HIGH 23% exploit odds exploited in the wild Fix listed Injection OS & kernel

What it is

A command injection vulnerability exists in Pulse Connect Secure before 9.1R11.4 allows a remote authenticated attacker to perform remote code execution via Windows Resource Profiles Feature

At a glance

Exploitability: Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering, service disruption.
In the wild: CISA lists this as exploited in real attacks. Treat as urgent.
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2021-01-06 00:00 UTC ReservedThe CVE id was reserved by its CNA
2021-05-27 12:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2021-11-03 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
2022-05-03 Remediation deadlineCISA's due date for federal agencies to fix it
2026-06-17 03:37 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
Exploit odds: 22.9% in the next 30 days (EPSS).
Severity: 8.8 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2021-05-27 12:15 UTC
Last modified: 2026-06-17 03:37 UTC
Added to CISA KEV: 2021-11-03
Exploit probability: 22.9% · EPSS, next 30 days
Weakness: CWE-77 · Command injection
Record status: Analyzed

Affected

Ivanti Connect Secure 9.0
Ivanti Connect Secure 9.1

Attack profile CVSS 3.1 · 8.8

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Is it in your code?

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Fix and advisories

References

NVD record · CVE.org record