Threats / Ivanti / CVE-2021-22894
CVE-2021-22894
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
Ivanti Pulse Connect Secure vulnerability
Ivanti Pulse Connect Secure contains a code execution vulnerability allowing authenticated remote attackers to execute arbitrary code with root privileges through maliciously crafted meeting room parameters.
Verdict
Today item — known-exploited.
Remote authenticated code execution as root via improper input validation in meeting room handling. Exploitation observed in the wild. CWE-94 (code injection) indicates unsafe dynamic code generation or deserialization.
01
Is it exploitable?
— the evidence, ranked above the scoreReported exploitation
2 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03).
Probability (EPSS)
EPSS 0.41284 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Ivanti, Pulse Connect Secure. Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-94 Code Injection — weakness family: Injection.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I authenticate to Pulse Connect Secure using valid credentials.
Business
Legitimate user accounts or compromised credentials provide initial access vector.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I craft a malicious meeting room parameter containing buffer overflow payload.
Business
Input validation gaps allow untrusted data to reach vulnerable code paths.
3
Lateral reach — past segmentation narrative 3
Attacker
I trigger code execution with root-level privileges on the target system.
Business
Complete system compromise enables data theft, lateral movement, and persistent backdoor installation.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05