CVE-2021-22900

Timeline

Detection, updates, and resolution for this record.

1. May 27, 2021 · Catalog

   Detected

   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.

2. Nov 3, 2021 · CISA KEV

   Known exploited

   Apply updates per vendor instructions.

3. May 3, 2022 · CISA KEV

   Remediation due

   Apply updates per vendor instructions.

4. Jun 16, 2026 · Catalog

   Updated

   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.

Affected

• cpe ivanti/connect secure9.0
• vendor Ivanti Pulse Connect Secureversion unspecified

Sources

• CISA KEVCVE-2021-22900

  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.

  cisa.gov
• CVE.orgCVE-2021-22900

  Official CVE identifier

  cve.org
• FIRST EPSSCVE-2021-22900

  30-day exploitation probability 14.1%

  first.org
• NIST NVDCVE-2021-22900

  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.

  nvd.nist.gov

References

• Broken Link · kb.pulsesecure.net
• CISA note · nvd.nist.gov
• US Government Resource · cisa.gov
• CISA note · cisa.gov