CVE Watch—

CVE-2021-22900

Ivanti Pulse Connect Secure Unrestricted File Upload Vulnerability

CVSS

—

No CVSS

EPSS

14.1%

p96

KEV

YES

Nov 3, 2021

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

14.1%EPSS · 30 days14.1%

2026-08-022026-08-30

KEV catalog record

Product

Ivanti / Pulse Connect Secure

Vulnerability

Ivanti Pulse Connect Secure Unrestricted File Upload Vulnerability

Added to KEV

Nov 3, 2021

Remediate by

May 3, 2022

Known ransomware use

Summary description

Ivanti Pulse Connect Secure contains an unrestricted file upload vulnerability that allows an authenticated administrator to perform a file write via a maliciously crafted archive upload in the administrator web interface.

Required action

Apply updates per vendor instructions.

Notes

Reference CISA's ED 21-03 (https://www.cisa.gov/news-events/directives/ed-21-03-mitigate-pulse-connect-secure-product-vulnerabilities) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-03. https://nvd.nist.gov/vuln/detail/CVE-2021-22900

Related CVEs

CVECVSSEPSSKEVRExploitTitleMod.

CVE-2021-2289310.0 CRI

98.7%

KEV—80Ivanti Pulse Connect Secure Use-After-Free Vulnerability19d CVE-2019-11510—

100.0%

KEV—80Ivanti Pulse Connect Secure Arbitrary File Read Vulnerability—CVE-2020-8260—

99.9%

KEV—80Ivanti Pulse Connect Secure Code Execution Vulnerability—CVE-2020-8243—

99.8%

KEV—80Ivanti Pulse Connect Secure Code Execution Vulnerability—CVE-2021-22894—

98.6%

KEV—80Ivanti Pulse Connect Secure Collaboration Suite Buffer Overflow Vulnerability—CVE-2021-22899—

97.6%

KEV—79Ivanti Pulse Connect Secure Command Injection Vulnerability—