CVE-2019-6665
CVE-2019-6665 is a critical-severity vulnerability in F5 Big-ip Application Security Manager with a CVSS 3.x base score of 9.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Critical (CVSS 3.x base score 9.4)
- CVSS v2: 7.5
- EPSS exploit prediction: 1% (63rd percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: F5 Big-ip Application Security Manager
- Published:
- Last modified:
Description
On BIG-IP ASM 15.0.0-15.0.1, 14.1.0-14.1.2, 14.0.0-14.0.1, and 13.1.0-13.1.3.1, BIG-IQ 6.0.0 and 5.2.0-5.4.0, iWorkflow 2.3.0, and Enterprise Manager 3.1.1, an attacker with access to the device communication between the BIG-IP ASM Central Policy Builder and the BIG-IQ/Enterprise Manager/F5 iWorkflow will be able to set up the proxy the same way and intercept the traffic.
Frequently asked questions
- What is CVE-2019-6665?
- On BIG-IP ASM 15.0.0-15.0.1, 14.1.0-14.1.2, 14.0.0-14.0.1, and 13.1.0-13.1.3.1, BIG-IQ 6.0.0 and 5.2.0-5.4.0, iWorkflow 2.3.0, and Enterprise Manager 3.1.1, an attacker with access to the device communication between the BIG-IP ASM Central Policy Builder and the BIG-IQ/Enterprise Manager/F5 iWorkflow will be able to set up the proxy the same way and intercept the traffic.
- How severe is CVE-2019-6665?
- CVE-2019-6665 has a CVSS 3.x base score of 9.4, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
- Is CVE-2019-6665 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-6665?
- CVE-2019-6665 primarily affects F5 Big-ip Application Security Manager. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2019-6665?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2019-6665 published?
- CVE-2019-6665 was published on 2019-11-27 and last updated on 2026-06-17.
References
Affected products (5)
- cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
- cpe:2.3:a:f5:big-iq_centralized_management:*:*:*:*:*:*:*:*
- cpe:2.3:a:f5:big-iq_centralized_management:6.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:f5:enterprise_manager:3.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:f5:iworkflow:2.3.0:*:*:*:*:*:*:*
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