CVE-2019-6683
HIGH
7.5
CVSS Score
Published: December 23, 2019 at 05:01 PM UTC
Updated: June 17, 2026 at 02:39 AM UTC
14 products affected across 1 vendorBig IP Access Policy ManagerBig IP Application Security ManagerBig IP Advanced Firewall Manager
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Severity
HIGH7.5
Exploit prediction
EPSS 1%
Description
On versions 15.0.0-15.0.1.1, 14.1.0-14.1.2.2, 14.0.0-14.0.1, 13.1.0-13.1.3.2, 12.1.0-12.1.5, and 11.5.2-11.6.5.1, BIG-IP virtual servers with Loose Initiation enabled on a FastL4 profile may be subject to excessive flow usage under undisclosed conditions.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
11.5.2 ≤ v ≤ 11.6.512.1.0 ≤ v ≤ 12.1.513.1.0 ≤ v ≤ 13.1.314.0.0 ≤ v < 14.0.1.114.1.0 ≤ v < 14.1.2.315.0.0 ≤ v < 15.1.0
Affected range stops below 14.0.1.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.2.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1.0, so it looks safe — our inference, not a vendor statement
11.5.2 ≤ v ≤ 11.6.512.1.0 ≤ v ≤ 12.1.513.1.0 ≤ v ≤ 13.1.314.0.0 ≤ v < 14.0.1.114.1.0 ≤ v < 14.1.2.315.0.0 ≤ v < 15.1.0
Affected range stops below 14.0.1.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.2.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1.0, so it looks safe — our inference, not a vendor statement
11.5.2 ≤ v ≤ 11.6.512.1.0 ≤ v ≤ 12.1.513.1.0 ≤ v ≤ 13.1.314.0.0 ≤ v < 14.0.1.114.1.0 ≤ v < 14.1.2.315.0.0 ≤ v < 15.1.0
Affected range stops below 14.0.1.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.2.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1.0, so it looks safe — our inference, not a vendor statement
11.5.2 ≤ v ≤ 11.6.512.1.0 ≤ v ≤ 12.1.513.1.0 ≤ v ≤ 13.1.314.0.0 ≤ v < 14.0.1.114.1.0 ≤ v < 14.1.2.315.0.0 ≤ v < 15.1.0
Affected range stops below 14.0.1.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.2.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1.0, so it looks safe — our inference, not a vendor statement
11.5.2 ≤ v ≤ 11.6.512.1.0 ≤ v ≤ 12.1.513.1.0 ≤ v ≤ 13.1.314.0.0 ≤ v < 14.0.1.114.1.0 ≤ v < 14.1.2.315.0.0 ≤ v < 15.1.0
Affected range stops below 14.0.1.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.2.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1.0, so it looks safe — our inference, not a vendor statement
11.5.2 ≤ v ≤ 11.6.512.1.0 ≤ v ≤ 12.1.513.1.0 ≤ v ≤ 13.1.314.0.0 ≤ v < 14.0.1.114.1.0 ≤ v < 14.1.2.315.0.0 ≤ v < 15.1.0
Affected range stops below 14.0.1.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.2.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1.0, so it looks safe — our inference, not a vendor statement
11.5.2 ≤ v ≤ 11.6.512.1.0 ≤ v ≤ 12.1.513.1.0 ≤ v ≤ 13.1.314.0.0 ≤ v < 14.0.1.114.1.0 ≤ v < 14.1.2.315.0.0 ≤ v < 15.1.0
Affected range stops below 14.0.1.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.2.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1.0, so it looks safe — our inference, not a vendor statement
11.5.2 ≤ v ≤ 11.6.512.1.0 ≤ v ≤ 12.1.513.1.0 ≤ v ≤ 13.1.314.0.0 ≤ v < 14.0.1.114.1.0 ≤ v < 14.1.2.315.0.0 ≤ v < 15.1.0
Affected range stops below 14.0.1.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.2.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1.0, so it looks safe — our inference, not a vendor statement
11.5.2 ≤ v ≤ 11.6.512.1.0 ≤ v ≤ 12.1.513.1.0 ≤ v ≤ 13.1.314.0.0 ≤ v < 14.0.1.114.1.0 ≤ v < 14.1.2.315.0.0 ≤ v < 15.1.0
Affected range stops below 14.0.1.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.2.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1.0, so it looks safe — our inference, not a vendor statement
11.5.2 ≤ v ≤ 11.6.512.1.0 ≤ v ≤ 12.1.513.1.0 ≤ v ≤ 13.1.314.0.0 ≤ v < 14.0.1.114.1.0 ≤ v < 14.1.2.315.0.0 ≤ v < 15.1.0
Affected range stops below 14.0.1.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.1.2.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.1.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://support.f5.com/csp/article/K76328112CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-400
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