How severe is CVE-2020-5905?

CVE-2020-5905 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2020-5905 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5905?

CVE-2020-5905 primarily affects F5 Big-ip Access Policy Manager. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-5905?

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

When was CVE-2020-5905 published?

CVE-2020-5905 was published on 2020-07-01 and last updated on 2026-06-17.

CVE-2020-5905

CVE-2020-5905 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 6.0
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: F5 Big-ip Access Policy Manager
Published: 2020-07-01
Last modified: 2026-06-17

Description

In version 11.6.1-11.6.5.2 of the BIG-IP system Configuration utility Network > WCCP page, the system does not sanitize all user-provided data before display.

Frequently asked questions

What is CVE-2020-5905?: In version 11.6.1-11.6.5.2 of the BIG-IP system Configuration utility Network > WCCP page, the system does not sanitize all user-provided data before display.
How severe is CVE-2020-5905?: CVE-2020-5905 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2020-5905 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5905?: CVE-2020-5905 primarily affects F5 Big-ip Access Policy Manager. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-5905?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-5905 published?: CVE-2020-5905 was published on 2020-07-01 and last updated on 2026-06-17.

References

Affected products (11)

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

More vulnerabilities in F5 Big-ip Access Policy Manager

CVE-2023-41373 — Critical (CVSS 9.9): A directory traversal vulnerability exists in the BIG-IP Configuration Utility that may allow an authenticated attacker…
CVE-2021-22987 — Critical (CVSS 9.9): On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, 12.1.x…
CVE-2025-53521 — Critical (CVSS 9.8): When a BIG-IP APM access policy is configured on a virtual server, specific malicious traffic can lead to Remote Code…
CVE-2023-46747 — Critical (CVSS 9.8): Undisclosed requests may bypass configuration utility authentication, allowing an attacker with network access to the…
CVE-2022-1388 — Critical (CVSS 9.8): On F5 BIG-IP 16.1.x versions prior to 16.1.2.2, 15.1.x versions prior to 15.1.5.1, 14.1.x versions prior to 14.1.4.6,…
CVE-2021-23008 — Critical (CVSS 9.8): On version 15.1.x before 15.1.3, 14.1.x before 14.1.4, 13.1.x before 13.1.4, 12.1.x before 12.1.6, and all versions of…

All CVEs affecting F5 Big-ip Access Policy Manager →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →