High severity · published May 27, 2021
CVE-2021-22900
Ivanti Pulse Connect Secure Unrestricted File Upload Vulnerability
In wildKEV
7.2
CVSS
14.1%
EPSS
Yes
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)14.1% · higher than 97% of CVEs
Exploited in the wildYes
CISA KEVListed Nov 3, 2021
Federal remediation dueMay 3, 2022
Ransomware campaign useNot known
Affected products
Which versions
CS
Connect Secure · Ivanti
9.0; 9.0; 9.0; 9.0; 9.0; 9.0; +34 more · source: NVD, KEV
PS
Pulse Secure Secure ·
Fixed in 9.1R11.4 · source: vendor
PC
Pulse Connect Secure · Pulsesecure
through 9.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22900
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22900
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_MISC
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/?kA23Z000000boUWSAY
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