How severe is CVE-2019-6591?

CVE-2019-6591 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-6591 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-6591?

CVE-2019-6591 affects F5 Big-ip Access Policy Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-6591?

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

When was CVE-2019-6591 published?

CVE-2019-6591 was published on 2019-02-05 and last updated on 2026-06-17.

CVE-2019-6591

CVE-2019-6591 is a medium-severity vulnerability in F5 Big-ip Access Policy Manager with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: F5 Big-ip Access Policy Manager
Published: 2019-02-05
Last modified: 2026-06-17

Description

On BIG-IP APM 14.0.0 to 14.0.0.4, 13.0.0 to 13.1.1.3 and 12.1.0 to 12.1.3.7, a reflected cross-site scripting (XSS) vulnerability exists in the resource information page for authenticated users when a full webtop is configured on the BIG-IP APM system.

Frequently asked questions

What is CVE-2019-6591?: On BIG-IP APM 14.0.0 to 14.0.0.4, 13.0.0 to 13.1.1.3 and 12.1.0 to 12.1.3.7, a reflected cross-site scripting (XSS) vulnerability exists in the resource information page for authenticated users when a full webtop is configured on the BIG-IP APM system.
How severe is CVE-2019-6591?: CVE-2019-6591 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-6591 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-6591?: CVE-2019-6591 affects F5 Big-ip Access Policy Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-6591?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-6591 published?: CVE-2019-6591 was published on 2019-02-05 and last updated on 2026-06-17.

References

https://support.f5.com/csp/article/K32840424

Affected products (1)

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

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