High severity · published May 10, 2021
CVE-2021-23014
On versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, and 14.1.x before 14.1.4, BIG-IP Advanced WAF and ASM are missing authorization checks for file uploads to a specific…
8.8
CVSS
0.8%
EPSS
No
On KEV
Description
On versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, and 14.1.x before 14.1.4, BIG-IP Advanced WAF and ASM are missing authorization checks for file uploads to a specific directory within the REST API which might allow Authenticated users with guest privileges to upload files. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BA
Big-ip Advanced Web Application Firewall · F5
14.1.0 before 14.1.4; 15.1.0 before 15.1.3; 16.0.0 before 16.0.1.1 · source: NVD
BA
Big-ip Application Security Manager · F5
14.1.0 before 14.1.4; 15.1.0 before 15.1.3; 16.0.0 before 16.0.1.1 · source: NVD
Affected product
BA
Big-ip Advanced Web Application Firewall
F5
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-23014
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-23014
Vendor Advisory
https://support.f5.com/csp/article/K23203045
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