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CVE-2018-5521

UnknownEPSS 0.92%

Last modified

CVE-2018-5521 is a vulnerability of currently unknown severity. On F5 BIG-IP 12.1.0-12.1.3.1, 11.6.1-11.6.3.1, 11.5.1-11.5.5, or 11.2.1, carefully crafted URLs can be used to reflect arbitrary content into GeoIP lookup responses, potentially exposing clients to XSS.. EPSS estimates a 0.92% chance of exploitation in the next 30 days.

Description

On F5 BIG-IP 12.1.0-12.1.3.1, 11.6.1-11.6.3.1, 11.5.1-11.5.5, or 11.2.1, carefully crafted URLs can be used to reflect arbitrary content into GeoIP lookup responses, potentially exposing clients to XSS.

Metrics

EPSS Probability
0.92%

55.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
F5Big-Ip Application Acceleration Manager>= 11.5.1, <= 11.5.5
F5Big-Ip Application Acceleration Manager>= 11.6.1, <= 11.6.3
F5Big-Ip Application Acceleration Manager>= 12.1.0, <= 12.1.3
F5Big-Ip Application Acceleration Manager11.2.1
F5Big-Ip Local Traffic Manager>= 11.5.1, <= 11.5.5
F5Big-Ip Local Traffic Manager>= 11.6.1, <= 11.6.3
F5Big-Ip Local Traffic Manager>= 12.1.0, <= 12.1.3
F5Big-Ip Local Traffic Manager11.2.1
F5Big-Ip Advanced Firewall Manager>= 11.5.1, <= 11.5.5
F5Big-Ip Advanced Firewall Manager>= 11.6.1, <= 11.6.3
F5Big-Ip Advanced Firewall Manager>= 12.1.0, <= 12.1.3
F5Big-Ip Advanced Firewall Manager11.2.1
F5Big-Ip Analytics>= 11.5.1, <= 11.5.5
F5Big-Ip Analytics>= 11.6.1, <= 11.6.3
F5Big-Ip Analytics>= 12.1.0, <= 12.1.3
F5Big-Ip Analytics11.2.1
F5Big-Ip Access Policy Manager>= 11.5.1, <= 11.5.5
F5Big-Ip Access Policy Manager>= 11.6.1, <= 11.6.3
F5Big-Ip Access Policy Manager>= 12.1.0, <= 12.1.3
F5Big-Ip Access Policy Manager11.2.1
F5Big-Ip Application Security Manager>= 11.5.1, <= 11.5.5
F5Big-Ip Application Security Manager>= 11.6.1, <= 11.6.3
F5Big-Ip Application Security Manager>= 12.1.0, <= 12.1.3
F5Big-Ip Application Security Manager11.2.1
F5Big-Ip Domain Name System>= 11.5.1, <= 11.5.5
F5Big-Ip Domain Name System>= 11.6.1, <= 11.6.3
F5Big-Ip Domain Name System>= 12.1.0, <= 12.1.3
F5Big-Ip Domain Name System11.2.1
F5Big-Ip Edge Gateway>= 11.5.1, <= 11.5.5
F5Big-Ip Edge Gateway>= 11.6.1, <= 11.6.3
F5Big-Ip Edge Gateway>= 12.1.0, <= 12.1.3
F5Big-Ip Edge Gateway11.2.1
F5Big-Ip Global Traffic Manager>= 11.5.1, <= 11.5.5
F5Big-Ip Global Traffic Manager>= 11.6.1, <= 11.6.3
F5Big-Ip Global Traffic Manager>= 12.1.0, <= 12.1.3
F5Big-Ip Global Traffic Manager11.2.1
F5Big-Ip Link Controller>= 11.5.1, <= 11.5.5
F5Big-Ip Link Controller>= 11.6.1, <= 11.6.3
F5Big-Ip Link Controller>= 12.1.0, <= 12.1.3
F5Big-Ip Link Controller11.2.1
F5Big-Ip Policy Enforcement Manager>= 11.5.1, <= 11.5.5
F5Big-Ip Policy Enforcement Manager>= 11.6.1, <= 11.6.3
F5Big-Ip Policy Enforcement Manager>= 12.1.0, <= 12.1.3
F5Big-Ip Policy Enforcement Manager11.2.1
F5Big-Ip Webaccelerator>= 11.5.1, <= 11.5.5
F5Big-Ip Webaccelerator>= 11.6.1, <= 11.6.3
F5Big-Ip Webaccelerator>= 12.1.0, <= 12.1.3
F5Big-Ip Webaccelerator11.2.1
F5Big-Ip Websafe>= 11.5.1, <= 11.5.5
F5Big-Ip Websafe>= 11.6.1, <= 11.6.3

Showing 50 of 52 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-5521?
On F5 BIG-IP 12.1.0-12.1.3.1, 11.6.1-11.6.3.1, 11.5.1-11.5.5, or 11.2.1, carefully crafted URLs can be used to reflect arbitrary content into GeoIP lookup responses, potentially exposing clients to XSS.
How severe is CVE-2018-5521?
Severity scoring for CVE-2018-5521 is pending analysis. The EPSS model estimates a 0.92% probability of exploitation in the next 30 days.
How do I fix CVE-2018-5521?
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.

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Source: NVD / NIST