How severe is CVE-2020-5920?

CVE-2020-5920 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 low, integrity none, and availability none.

Is CVE-2020-5920 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5920?

CVE-2020-5920 affects F5 Big-ip Advanced Firewall Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-5920?

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

When was CVE-2020-5920 published?

CVE-2020-5920 was published on 2020-08-26 and last updated on 2026-06-17.

CVE-2020-5920

CVE-2020-5920 is a medium-severity vulnerability in F5 Big-ip Advanced Firewall 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-89.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: F5 Big-ip Advanced Firewall Manager
Published: 2020-08-26
Last modified: 2026-06-17

Description

In versions 15.0.0-15.1.0.5, 14.1.0-14.1.2.7, 13.1.0-13.1.3.4, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, a vulnerability in the BIG-IP AFM Configuration utility may allow any authenticated BIG-IP user to perform a read-only blind SQL injection attack.

Frequently asked questions

What is CVE-2020-5920?: In versions 15.0.0-15.1.0.5, 14.1.0-14.1.2.7, 13.1.0-13.1.3.4, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, a vulnerability in the BIG-IP AFM Configuration utility may allow any authenticated BIG-IP user to perform a read-only blind SQL injection attack.
How severe is CVE-2020-5920?: CVE-2020-5920 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 low, integrity none, and availability none.
Is CVE-2020-5920 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5920?: CVE-2020-5920 affects F5 Big-ip Advanced Firewall Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-5920?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-5920 published?: CVE-2020-5920 was published on 2020-08-26 and last updated on 2026-06-17.

References

https://support.f5.com/csp/article/K25160703

Affected products (1)

cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*

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