Ivanti Pulse Connect Secure Arbitrary File Read Vulnerability
In Pulse Secure Pulse Connect Secure (PCS) 8.2 before 8.2R12.1, 8.3 before 8.3R7.1, and 9.0 before 9.0R3.4, an unauthenticated remote attacker can send a specially crafted URI to perform an arbitrary file reading vulnerability .
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
Exploitation probability EPSS · FIRST
Exploitation signals 4 / 5
- KEV catalog (CISA)03 Nov 2021
- Exploited in EUVD (ENISA)03 Nov 2021
- Used by ransomwareyes
- EPSS above 10 %100.00%
- 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
Affected products
Open source packages OSV
Affected libraries according to OSV, with fixed versions.
Timeline
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Published
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Exploitation reported (ENISA)
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Added to the KEV catalog
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CISA remediation due date
-
EPSS peak: 100.00%
References
Other exploited vulnerabilities from the same vendor
- CVE-2026-118527Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability1.0 · Rising fast
- CVE-2026-111357Ivanti Connect Secure Missing Authentication for Critical Function Vulnerability4.0 · Rising fast
- CVE-2026-104935Ivanti Connect Secure Authentication Bypass by Spoofing Vulnerability8.4 · Rising fast
- CVE-2026-10520Ivanti Sentry OS Command Injection Vulnerability9.4 · Actively exploited
- CVE-2026-6973Ivanti Endpoint Manager Mobile (EPMM) Improper Input Validation Vulnerability5.7 · Actively exploited
- CVE-2026-1603Ivanti Endpoint Manager (EPM) Authentication Bypass Vulnerability8.5 · Background exploitation