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CVE-2021-22984

MEDIUM
6.1
CVSS Score
Published: February 12, 2021 at 07:21 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
MEDIUM6.1
Exploit prediction
EPSS 1%

Description

On BIG-IP Advanced WAF and ASM version 15.1.x before 15.1.0.2, 15.0.x before 15.0.1.4, 14.1.x before 14.1.2.5, 13.1.x before 13.1.3.4, 12.1.x before 12.1.5.2, and 11.6.x before 11.6.5.2, when receiving a unauthenticated client request with a maliciously crafted URI, a BIG-IP Advanced WAF or ASM virtual server configured with a DoS profile with Proactive Bot Defense (versions prior to 14.1.0), or a Bot Defense profile (versions 14.1.0 and later), may subject clients and web servers to Open Redirection attacks. Note: Software versions which have reached End of Software Development (EoSD) 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%
11.6.1 ≤ v < 11.6.5.212.1.0 ≤ v < 12.1.5.213.1.0 ≤ v < 13.1.3.414.1.0 ≤ v < 14.1.2.515.0.0 ≤ v < 15.0.1.415.1 ≤ v < 15.1.0.215.1.0 ≤ v < 15.1.0.2
Affected range stops below 11.6.5.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.1.5.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.1.3.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.2.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.0.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1.0.2, so it looks safe — our inference, not a vendor statement
Big IP Application Security Manager· F5
95%
11.6.1 ≤ v < 11.6.5.212.1.0 ≤ v < 12.1.5.213.1.0 ≤ v < 13.1.3.414.1.0 ≤ v < 14.1.2.515.0.0 ≤ v < 15.0.1.415.1 ≤ v < 15.1.0.215.1.0 ≤ v < 15.1.0.2
Affected range stops below 11.6.5.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.1.5.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.1.3.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.2.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.0.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1.0.2, 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

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://support.f5.com/csp/article/K33440533

CVSS

6.1MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-601

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