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CVE-2019-6639

MEDIUMCVSS 4.8/10EPSS 0.68%

Last modified

CVE-2019-6639 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. On BIG-IP (AFM, PEM) 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.1.4, 12.1.0-12.1.4, 11.6.1-11.6.3.4, and 11.5.1-11.5.8, an undisclosed TMUI pages for AFM and PEM Subscriber management are vulnerable to a stored cross-site scripting (XSS) issue. This is a control plane issue only and is not accessible from the data plane. EPSS estimates a 0.68% chance of exploitation in the next 30 days.

Description

On BIG-IP (AFM, PEM) 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.1.4, 12.1.0-12.1.4, 11.6.1-11.6.3.4, and 11.5.1-11.5.8, an undisclosed TMUI pages for AFM and PEM Subscriber management are vulnerable to a stored cross-site scripting (XSS) issue. This is a control plane issue only and is not accessible from the data plane. The attack requires a malicious resource administrator to store the XSS.

Metrics

CVSS 3.1
4.8/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS Probability
0.68%

47.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
F5Big-Ip Advanced Firewall Manager>= 11.5.0, < 11.5.9
F5Big-Ip Advanced Firewall Manager>= 11.6.0, < 11.6.4
F5Big-Ip Advanced Firewall Manager>= 12.1.0, < 12.1.4.1
F5Big-Ip Advanced Firewall Manager>= 13.0.0, < 13.1.1.5
F5Big-Ip Advanced Firewall Manager>= 14.0.0, < 14.0.0.5
F5Big-Ip Advanced Firewall Manager>= 14.1.0, < 14.1.0.6
F5Big-Ip Policy Enforcement Manager>= 11.5.0, < 11.5.9
F5Big-Ip Policy Enforcement Manager>= 11.6.0, < 11.6.4
F5Big-Ip Policy Enforcement Manager>= 12.1.0, < 12.1.4.1
F5Big-Ip Policy Enforcement Manager>= 13.0.0, < 13.1.1.5
F5Big-Ip Policy Enforcement Manager>= 14.0.0, < 14.0.0.5
F5Big-Ip Policy Enforcement Manager>= 14.1.0, < 14.1.0.6

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-6639?
On BIG-IP (AFM, PEM) 14.1.0-14.1.0.5, 14.0.0-14.0.0.4, 13.0.0-13.1.1.4, 12.1.0-12.1.4, 11.6.1-11.6.3.4, and 11.5.1-11.5.8, an undisclosed TMUI pages for AFM and PEM Subscriber management are vulnerable to a stored cross-site scripting (XSS) issue. This is a control plane issue only and is not accessible from the data plane. The attack requires a malicious resource administrator to store the XSS.
How severe is CVE-2019-6639?
CVE-2019-6639 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.
How do I fix CVE-2019-6639?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-6639?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST