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CVE-2021-23029

HIGH
8.8
CVSS Score
Published: September 14, 2021 at 10:01 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 0.9%

Description

On version 16.0.x before 16.0.1.2, insufficient permission checks may allow authenticated users with guest privileges to perform Server-Side Request Forgery (SSRF) attacks through F5 Advanced Web Application Firewall (WAF) and the BIG-IP ASM Configuration utility. 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%
16.0 ≤ v < 16.0.1.2
Affected range stops below 16.0.1.2, so it looks safe — our inference, not a vendor statement
Big IP Application Security Manager· F5
95%
16.0 ≤ v < 16.0.1.2
Affected range stops below 16.0.1.2, 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_MISCMitigationVendor Advisory
Source: [email protected]
https://support.f5.com/csp/article/K52420610

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-918

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