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CVE-2021-22993

HIGHCVSS 8.8/10EPSS 0.92%

Last modified

CVE-2021-22993 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. On BIG-IP Advanced WAF and BIG-IP ASM versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6, and 12.1.x before 12.1.5.3, DOM-based XSS on DoS Profile properties page. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.. EPSS estimates a 0.92% chance of exploitation in the next 30 days.

Description

On BIG-IP Advanced WAF and BIG-IP ASM versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6, and 12.1.x before 12.1.5.3, DOM-based XSS on DoS Profile properties page. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

Metrics

CVSS 3.1
8.8/10

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

EPSS Probability
0.92%

55.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
F5Big-Ip Advanced Web Application Firewall>= 12.1.0, < 12.1.5.3
F5Big-Ip Advanced Web Application Firewall>= 13.1.0, < 13.1.3.6
F5Big-Ip Advanced Web Application Firewall>= 14.1.0, < 14.1.3.1
F5Big-Ip Advanced Web Application Firewall>= 15.1.0, < 15.1.2
F5Big-Ip Advanced Web Application Firewall>= 16.0.0, < 16.0.1.1
F5Big-Ip Application Security Manager>= 12.1.0, < 12.1.5.3
F5Big-Ip Application Security Manager>= 13.1.0, < 13.1.3.6
F5Big-Ip Application Security Manager>= 14.1.0, < 14.1.3.1
F5Big-Ip Application Security Manager>= 15.1.0, < 15.1.2
F5Big-Ip Application Security Manager>= 16.0.0, < 16.0.1.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-22993?
On BIG-IP Advanced WAF and BIG-IP ASM versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, 13.1.x before 13.1.3.6, and 12.1.x before 12.1.5.3, DOM-based XSS on DoS Profile properties page. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
How severe is CVE-2021-22993?
CVE-2021-22993 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.92% probability of exploitation in the next 30 days.
How do I fix CVE-2021-22993?
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