How severe is CVE-2020-5890?

CVE-2020-5890 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-5890 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5890?

CVE-2020-5890 primarily affects F5 Big-iq Centralized Management. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-5890?

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

When was CVE-2020-5890 published?

CVE-2020-5890 was published on 2020-04-30 and last updated on 2026-06-17.

CVE-2020-5890

CVE-2020-5890 is a medium-severity vulnerability in F5 Big-iq Centralized Management with a CVSS 3.x base score of 5.5. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: F5 Big-iq Centralized Management
Published: 2020-04-30
Last modified: 2026-06-17

Description

On BIG-IP 15.0.0-15.0.1, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3, and 12.1.0-12.1.5.1 and BIG-IQ 5.2.0-7.1.0, when creating a QKView, credentials for binding to LDAP servers used for remote authentication of the BIG-IP administrative interface will not fully obfuscate if they contain whitespace.

Frequently asked questions

What is CVE-2020-5890?: On BIG-IP 15.0.0-15.0.1, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3, and 12.1.0-12.1.5.1 and BIG-IQ 5.2.0-7.1.0, when creating a QKView, credentials for binding to LDAP servers used for remote authentication of the BIG-IP administrative interface will not fully obfuscate if they contain whitespace.
How severe is CVE-2020-5890?: CVE-2020-5890 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-5890 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5890?: CVE-2020-5890 primarily affects F5 Big-iq Centralized Management. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-5890?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-5890 published?: CVE-2020-5890 was published on 2020-04-30 and last updated on 2026-06-17.

References

https://support.f5.com/csp/article/K03318649

Affected products (13)

cpe:2.3:a:f5:big-iq_centralized_management:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-iq_centralized_management:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:f5:big-ip_application_acceleration_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_access_policy_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_policy_enforcement_manager:*:*:*:*:*:*:*:*

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