Ivanti Pulse Connect Secure and Policy Secure Command Injection Vulnerability

CheckOps priority index

8.6/10 Patch within 24 h

Severity8.0

Probability9.9

Exploitation4/5

Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.

EPSS · today 98.5% higher than 99.9% of CVEs

CVSS 3.0 8.0 AC:H/AV:N/A:H/C:H/I:H/PR:H/S:C

Exploited for 1,826 days 03 Nov 2021

CISA due date 03 May 2022 for US federal agencies

Exploitation probability EPSS · FIRST

EPSS probability (%)Percentile among all CVEs

Exploitation signals 4 / 5

KEV catalog (CISA)03 Nov 2021
Exploited in EUVD (ENISA)03 Nov 2021
Used by ransomwareyes
EPSS above 10 %98.5%
No account, over the networkno

What to do

Fix

Apply the vendor’s fix as soon as it is available.

CISA guidance: Apply updates per vendor instructions.

Meanwhile

Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.

Manufacturers (CRA)

Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained

Description ENISA EUVD

In Pulse Secure Pulse Connect Secure version 9.0RX before 9.0R3.4, 8.3RX before 8.3R7.1, 8.2RX before 8.2R12.1, and 8.1RX before 8.1R15.1 and Pulse Policy Secure version 9.0RX before 9.0R3.2, 5.4RX before 5.4R7.1, 5.3RX before 5.3R12.1, 5.2RX before 5.2R12.1, and 5.1RX before 5.1R15.1, the admin web interface allows an authenticated attacker to inject and execute commands.

Affected products

Pulse Connect Secure and Pulse Policy Secure

Weaknesses (CWE)

CWE-78

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

26 Apr 2019
Published
03 Nov 2021
Exploitation reported (ENISA)
03 Nov 2021
Added to the KEV catalog
03 May 2022
CISA remediation due date
26 Sept 2026
EPSS peak: 98.5%

References

Other exploited vulnerabilities from the same vendor

CVE-2026-118527Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability
1.0 · Rising fast
CVE-2026-111357Ivanti Connect Secure Missing Authentication for Critical Function Vulnerability
4.0 · Rising fast
CVE-2026-104935Ivanti Connect Secure Authentication Bypass by Spoofing Vulnerability
8.4 · Rising fast
CVE-2026-10520Ivanti Sentry OS Command Injection Vulnerability
9.4 · Actively exploited
CVE-2026-6973Ivanti Endpoint Manager Mobile (EPMM) Improper Input Validation Vulnerability
5.7 · Actively exploited
CVE-2026-1603Ivanti Endpoint Manager (EPM) Authentication Bypass Vulnerability
8.5 · Background exploitation