CVE-2021-22900: Ivanti Pulse Connect Secure Unrestricted File Upload Vulnerability
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.
Other sources
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
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Ivanti Pulse Connect Secureto a version that resolves this vulnerability.Fixed in 9.1R11.4
Event History
Frequently Asked Questions
What is CVE-2021-22900?
CVE-2021-22900 is a vulnerability that allows multiple unrestricted uploads in Pulse Connect Secure before 9.1R11.4, potentially allowing an authenticated administrator to perform a file write via a maliciously crafted archive upload in the administrator web interface.
What is the severity of CVE-2021-22900?
The severity of CVE-2021-22900 is high, with a severity score of 7.2.
What software is affected by CVE-2021-22900?
CVE-2021-22900 affects Pulse Connect Secure versions before 9.1R11.4.
How can I fix CVE-2021-22900?
To fix CVE-2021-22900, upgrade to Pulse Connect Secure version 9.1R11.4 or later.
Where can I find more information about CVE-2021-22900?
You can find more information about CVE-2021-22900 in the [CISA Emergency Directive 21-03](https://www.cisa.gov/emergency-directive-21-03) and the [Pulse Secure Security Advisories](https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/?kA23Z000000boUWSAY).