CVE-2021-23014

HIGH

8.8

CVSS Score

Published: May 10, 2021 at 02:35 PM UTC

Updated: June 17, 2026 at 03:38 AM UTC

2 products affected across 1 vendorBig IP Application Security ManagerBig IP Advanced Web Application Firewall

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Severity

HIGH8.8

Exploit prediction

EPSS 0.8%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Big IP Advanced Web Application Firewall · F5

95%

14.1.0 ≤ v < 14.1.415.1.0 ≤ v < 15.1.316.0.0 ≤ v < 16.0.1.1

Affected range stops below 14.1.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.0.1.1, so it looks safe — our inference, not a vendor statement

Big IP Application Security Manager · F5

95%

14.1.0 ≤ v < 14.1.415.1.0 ≤ v < 15.1.316.0 ≤ v < 16.0.1.116.0.0 ≤ v < 16.0.1.1

Affected range stops below 14.1.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.0.1.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://support.f5.com/csp/article/K23203045

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

https://support.f5.com/csp/article/K23203045

CVSS

8.8HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-862

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