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

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

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