CVE-2021-22900Ivanti Pulse Connect Secure Unrestricted File Upload Vulnerability

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.

7.2 HIGHEPSS 14.14%⚡ Known Exploited (CISA KEV)NVD: Analyzed

Last updated: 2026-06-17 03:37 UTC

OverviewCVSS details

7.2HIGHCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: May 27, 2021
Assigner: hackerone

Affected

Pulse Secure Secure

Versions: Fixed in 9.1R11.4

Exploitation

Public exploit: None listed
CISA KEV: Listed · Nov 3, 2021
KEV due date: May 3, 2022
Ransomware use: Unknown
SSVC: Exploitation active · Automatable no · Impact total

EPSS · FIRST, scored Nov 6

14.14%chance of exploitation in 30 days

Higher than 96.59% of CVEs

CVSS 3.1 · NVD

7.2High

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: High
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 2.0 · NVD

6.5Medium

AV:N/AC:L/Au:S/C:P/I:P/A:P

Attack vector: Network
Attack complexity: Low
Authentication: Single
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

NVD status: Analyzed

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
7.2	HIGH	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
6.5	MEDIUM	2.0NVD	AV:N/AC:L/Au:S/C:P/I:P/A:P

CISA required action

⚡ Known exploited · remediation due May 3, 2022

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Details

CVE ID: CVE-2021-22900
Status: Analyzed
Assigner (CNA): hackerone
Published: May 27, 2021
Last modified: 2026-06-17 03:37 UTC
Weaknesses: CWE-94 · Code Injection (CWE-94)
CWE-669

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-07 14:08 UTC.