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CVE-2023-40542

HIGHCVSS 7.5/10EPSS 0.54%

Last modified

CVE-2023-40542 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. When TCP Verified Accept is enabled on a TCP profile that is configured on a Virtual Server, undisclosed requests can cause an increase in memory resource utilization.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated. EPSS estimates a 0.54% chance of exploitation in the next 30 days.

Description

When TCP Verified Accept is enabled on a TCP profile that is configured on a Virtual Server, undisclosed requests can cause an increase in memory resource utilization.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
0.54%

41.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
F5Big-Ip Access Policy Manager>= 13.1.0, <= 13.1.5
F5Big-Ip Access Policy Manager>= 14.1.0, <= 14.1.5
F5Big-Ip Access Policy Manager>= 15.1.0, < 15.1.9
F5Big-Ip Access Policy Manager>= 16.1.0, < 16.1.4
F5Big-Ip Advanced Firewall Manager>= 13.1.0, <= 13.1.5
F5Big-Ip Advanced Firewall Manager>= 14.1.0, <= 14.1.5
F5Big-Ip Advanced Firewall Manager>= 15.1.0, < 15.1.9
F5Big-Ip Advanced Firewall Manager>= 16.1.0, < 16.1.4
F5Big-Ip Advanced Web Application Firewall>= 13.1.0, <= 13.1.5
F5Big-Ip Advanced Web Application Firewall>= 14.1.0, <= 14.1.5
F5Big-Ip Advanced Web Application Firewall>= 15.1.0, < 15.1.9
F5Big-Ip Advanced Web Application Firewall>= 16.1.0, < 16.1.4
F5Big-Ip Analytics>= 13.1.0, <= 13.1.5
F5Big-Ip Analytics>= 14.1.0, <= 14.1.5
F5Big-Ip Analytics>= 15.1.0, < 15.1.9
F5Big-Ip Analytics>= 16.1.0, < 16.1.4
F5Big-Ip Application Acceleration Manager>= 13.1.0, <= 13.1.5
F5Big-Ip Application Acceleration Manager>= 14.1.0, <= 14.1.5
F5Big-Ip Application Acceleration Manager>= 15.1.0, < 15.1.9
F5Big-Ip Application Acceleration Manager>= 16.1.0, < 16.1.4
F5Big-Ip Application Security Manager>= 13.1.0, <= 13.1.5
F5Big-Ip Application Security Manager>= 14.1.0, <= 14.1.5
F5Big-Ip Application Security Manager>= 15.1.0, < 15.1.9
F5Big-Ip Application Security Manager>= 16.1.0, < 16.1.4
F5Big-Ip Application Visibility And Reporting>= 13.1.0, <= 13.1.5
F5Big-Ip Application Visibility And Reporting>= 14.1.0, <= 14.1.5
F5Big-Ip Application Visibility And Reporting>= 15.1.0, < 15.1.9
F5Big-Ip Application Visibility And Reporting>= 16.1.0, < 16.1.4
F5Big-Ip Carrier-Grade Nat>= 13.1.0, <= 13.1.5
F5Big-Ip Carrier-Grade Nat>= 14.1.0, <= 14.1.5
F5Big-Ip Carrier-Grade Nat>= 15.1.0, < 15.1.9
F5Big-Ip Carrier-Grade Nat>= 16.1.0, < 16.1.4
F5Big-Ip Ddos Hybrid Defender>= 13.1.0, <= 13.1.5
F5Big-Ip Ddos Hybrid Defender>= 14.1.0, <= 14.1.5
F5Big-Ip Ddos Hybrid Defender>= 15.1.0, < 15.1.9
F5Big-Ip Ddos Hybrid Defender>= 16.1.0, < 16.1.4
F5Big-Ip Domain Name System>= 13.1.0, <= 13.1.5
F5Big-Ip Domain Name System>= 14.1.0, <= 14.1.5
F5Big-Ip Domain Name System>= 15.1.0, < 15.1.9
F5Big-Ip Domain Name System>= 16.1.0, < 16.1.4
F5Big-Ip Edge Gateway>= 13.1.0, <= 13.1.5
F5Big-Ip Edge Gateway>= 14.1.0, <= 14.1.5
F5Big-Ip Edge Gateway>= 15.1.0, < 15.1.9
F5Big-Ip Edge Gateway>= 16.1.0, < 16.1.4
F5Big-Ip Fraud Protection Service>= 13.1.0, <= 13.1.5
F5Big-Ip Fraud Protection Service>= 14.1.0, <= 14.1.5
F5Big-Ip Fraud Protection Service>= 15.1.0, < 15.1.9
F5Big-Ip Fraud Protection Service>= 16.1.0, < 16.1.4
F5Big-Ip Global Traffic Manager>= 13.1.0, <= 13.1.5
F5Big-Ip Global Traffic Manager>= 14.1.0, <= 14.1.5

Showing 50 of 76 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2023-40542?
When TCP Verified Accept is enabled on a TCP profile that is configured on a Virtual Server, undisclosed requests can cause an increase in memory resource utilization.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated
How severe is CVE-2023-40542?
CVE-2023-40542 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.
How do I fix CVE-2023-40542?
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-2023-40542?

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

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Source: NVD / NIST