How severe is CVE-2016-4545?

CVE-2016-4545 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-4545 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4545?

CVE-2016-4545 primarily affects F5 Big-ip Application Acceleration Manager. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-4545?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-4545 published?

CVE-2016-4545 was published on 2016-06-07 and last updated on 2026-06-17.

CVE-2016-4545

CVE-2016-4545 is a high-severity vulnerability in F5 Big-ip Application Acceleration Manager with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: F5 Big-ip Application Acceleration Manager
Published: 2016-06-07
Last modified: 2026-06-17

Description

Virtual servers in F5 BIG-IP 11.5.4, when SSL profiles are enabled, allow remote attackers to cause a denial of service (resource consumption and Traffic Management Microkernel restart) via an SSL alert during the handshake.

Frequently asked questions

What is CVE-2016-4545?: Virtual servers in F5 BIG-IP 11.5.4, when SSL profiles are enabled, allow remote attackers to cause a denial of service (resource consumption and Traffic Management Microkernel restart) via an SSL alert during the handshake.
How severe is CVE-2016-4545?: CVE-2016-4545 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-4545 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4545?: CVE-2016-4545 primarily affects F5 Big-ip Application Acceleration Manager. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-4545?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-4545 published?: CVE-2016-4545 was published on 2016-06-07 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:a:f5:big-ip_application_acceleration_manager:11.5.4:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:11.5.4:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_local_traffic_manager:11.5.4:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_analytics:11.5.4:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_global_traffic_manager:11.5.4:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_policy_enforcement_manager:11.5.4:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_link_controller:11.5.4:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:11.5.4:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_security_manager:11.5.4:*:*:*:*:*:*:*

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