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

Source: https://junglewise.ai/threats/cve-2021-22900-ivanti-pulse-connect-secure-unrestricted-file-upload  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-11-03. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2021-22900 · Severity: critical · CVSS 7.2 · Exploited in the wild · Published 2021-11-03

Ivanti Pulse Connect Secure contains an unrestricted file upload vulnerability in the administrator web interface. An authenticated administrator can perform arbitrary file writes by uploading a maliciously crafted archive, potentially leading to code execution.

## Quick answers

**Is CVE-2021-22900 exploited in the wild?** Yes. CVE-2021-22900 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.

**How severe is CVE-2021-22900?** Critical severity, with a CVSS score of 7.2, published 3 November 2021.

**Which products and versions are affected?** Ivanti Pulse Connect Secure before 9.1R11.4.

**Is there a fix for CVE-2021-22900?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2021-22900 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2021-22900?** Check whether anything you run is named in the advisory. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Ivanti Pulse Connect Secure before 9.1R11.4

## Timeline

- 2021-11-03: disclosed
- 2021-11-03: advisory: NVD publication date
- 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog