CVE-2021-22900

HIGH

7.2

CVSS Score

Published: May 27, 2021 at 11:15 AM UTC

Updated: June 17, 2026 at 03:37 AM UTC

2 products affected across 2 vendorsConnect SecurePulse Connect Secure

Using Pulse Secure Secure by N/A?

Get instant alerts when new vulnerabilities affect Pulse Secure Secure - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

HIGH7.2

Exploitation

CISA KEV

Exploit prediction

EPSS 14%

SSVC

Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score14.1%

EPSS (Exploit Prediction Scoring System) estimates a 14.1% chance this CVE is exploited in the wild within the next 30 days — higher than 97% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

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.

Ransomware Use

Unknown

Added to KEV

Nov 3, 2021

Remediation Due

May 3, 2022

1642 days overdue

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

Description

A vulnerability allowed multiple unrestricted uploads in Pulse Connect Secure before 9.1R11.4 that could lead to an authenticated administrator to perform a file write via a maliciously crafted archive upload in the administrator web interface.