How severe is CVE-2015-8021?

CVE-2015-8021 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2015-8021 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8021?

CVE-2015-8021 primarily affects F5 Big-ip Access Policy Manager. In total, 71 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-8021?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-8021 published?

CVE-2015-8021 was published on 2016-04-12 and last updated on 2026-06-17.

CVE-2015-8021

CVE-2015-8021 is a medium-severity vulnerability in F5 Big-ip Access Policy Manager with a CVSS 3.x base score of 4.3. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: F5 Big-ip Access Policy Manager
Published: 2016-04-12
Last modified: 2026-06-17

Description

Incomplete blacklist vulnerability in the Configuration utility in F5 BIG-IP LTM, Analytics, APM, ASM, GTM, Link Controller, and PSM 11.x before 11.2.1 HF11, 11.3.x, 11.4.0 before HF8, and 11.4.1 before HF6; BIG-IP AAM 11.4.0 before HF8 and 11.4.1 before HF6; BIG-IP AFM and PEM 11.3.x, 11.4.0 before HF8, and 11.4.1 before HF6; and BIG-IP Edge Gateway, WebAccelerator, and WOM 11.x before 11.2.1 HF11 and 11.3.0 allows remote authenticated users to upload files via uploadImage.php.

Frequently asked questions

What is CVE-2015-8021?: Incomplete blacklist vulnerability in the Configuration utility in F5 BIG-IP LTM, Analytics, APM, ASM, GTM, Link Controller, and PSM 11.x before 11.2.1 HF11, 11.3.x, 11.4.0 before HF8, and 11.4.1 before HF6; BIG-IP AAM 11.4.0 before HF8 and 11.4.1 before HF6; BIG-IP AFM and PEM 11.3.x, 11.4.0 before HF8, and 11.4.1 before HF6; and BIG-IP Edge Gateway, WebAccelerator, and WOM 11.x before 11.2.1 HF11 and 11.3.0 allows remote authenticated users to upload files via uploadImage.php.
How severe is CVE-2015-8021?: CVE-2015-8021 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2015-8021 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8021?: CVE-2015-8021 primarily affects F5 Big-ip Access Policy Manager. In total, 71 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-8021?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-8021 published?: CVE-2015-8021 was published on 2016-04-12 and last updated on 2026-06-17.

References

Affected products (71)

cpe:2.3:a:f5:big-ip_access_policy_manager:11.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:11.1.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:11.2.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:11.2.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:11.3.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:11.4.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_access_policy_manager:11.4.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:11.3.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:11.4.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_advanced_firewall_manager:11.4.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_analytics:11.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_analytics:11.1.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_analytics:11.2.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_analytics:11.2.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_analytics:11.3.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_analytics:11.4.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_analytics:11.4.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_acceleration_manager:11.4.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_acceleration_manager:11.4.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_security_manager:11.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_security_manager:11.1.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_security_manager:11.2.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_security_manager:11.2.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_security_manager:11.3.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_security_manager:11.4.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_security_manager:11.4.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_edge_gateway:11.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_edge_gateway:11.1.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_edge_gateway:11.2.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_edge_gateway:11.2.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_edge_gateway:11.3.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_global_traffic_manager:11.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_global_traffic_manager:11.1.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_global_traffic_manager:11.2.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_global_traffic_manager:11.2.1:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_global_traffic_manager:11.3.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_global_traffic_manager:11.4.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_link_controller:11.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_link_controller:11.1.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_link_controller:11.2.0:*:*:*:*:*:*:*

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