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CVE-2020-5881

HIGHCVSS 7.5/10EPSS 1.28%

Last modified

CVE-2020-5881 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. On versions 15.0.0-15.1.0.1, 14.1.0-14.1.2.3, and 13.1.0-13.1.3.3, when the BIG-IP Virtual Edition (VE) is configured with VLAN groups and there are devices configured with OSPF connected to it, the Network Device Abstraction Layer (NDAL) Interfaces can lock up and in turn disrupting the communication between the mcpd and tmm processes.. EPSS estimates a 1.28% chance of exploitation in the next 30 days.

Description

On versions 15.0.0-15.1.0.1, 14.1.0-14.1.2.3, and 13.1.0-13.1.3.3, when the BIG-IP Virtual Edition (VE) is configured with VLAN groups and there are devices configured with OSPF connected to it, the Network Device Abstraction Layer (NDAL) Interfaces can lock up and in turn disrupting the communication between the mcpd and tmm processes.

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
1.28%

66.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
F5Big-Ip Access Policy Manager>= 13.1.0, <= 13.1.3.3
F5Big-Ip Access Policy Manager>= 14.1.0, <= 14.1.2.3
F5Big-Ip Access Policy Manager>= 15.0.0, <= 15.1.0.1
F5Big-Ip Advanced Firewall Manager>= 13.1.0, <= 13.1.3.3
F5Big-Ip Advanced Firewall Manager>= 14.1.0, <= 14.1.2.3
F5Big-Ip Advanced Firewall Manager>= 15.0.0, <= 15.1.0.1
F5Big-Ip Analytics>= 13.1.0, <= 13.1.3.3
F5Big-Ip Analytics>= 14.1.0, <= 14.1.2.3
F5Big-Ip Analytics>= 15.0.0, <= 15.1.0.1
F5Big-Ip Application Acceleration Manager>= 13.1.0, <= 13.1.3.3
F5Big-Ip Application Acceleration Manager>= 14.1.0, <= 14.1.2.3
F5Big-Ip Application Acceleration Manager>= 15.0.0, <= 15.1.0.1
F5Big-Ip Application Security Manager>= 13.1.0, <= 13.1.3.3
F5Big-Ip Application Security Manager>= 14.1.0, <= 14.1.2.3
F5Big-Ip Application Security Manager>= 15.0.0, <= 15.1.0.1
F5Big-Ip Domain Name System>= 13.1.0, <= 13.1.3.3
F5Big-Ip Domain Name System>= 14.1.0, <= 14.1.2.3
F5Big-Ip Domain Name System>= 15.0.0, <= 15.1.0.1
F5Big-Ip Fraud Protection Service>= 13.1.0, <= 13.1.3.3
F5Big-Ip Fraud Protection Service>= 14.1.0, <= 14.1.2.3
F5Big-Ip Fraud Protection Service>= 15.0.0, <= 15.1.0.1
F5Big-Ip Global Traffic Manager>= 13.1.0, <= 13.1.3.3
F5Big-Ip Global Traffic Manager>= 14.1.0, <= 14.1.2.3
F5Big-Ip Global Traffic Manager>= 15.0.0, <= 15.1.0.1
F5Big-Ip Link Controller>= 13.1.0, <= 13.1.3.3
F5Big-Ip Link Controller>= 14.1.0, <= 14.1.2.3
F5Big-Ip Link Controller>= 15.0.0, <= 15.1.0.1
F5Big-Ip Local Traffic Manager>= 13.1.0, <= 13.1.3.3
F5Big-Ip Local Traffic Manager>= 14.1.0, <= 14.1.2.3
F5Big-Ip Local Traffic Manager>= 15.0.0, <= 15.1.0.1
F5Big-Ip Policy Enforcement Manager>= 13.1.0, <= 13.1.3.3
F5Big-Ip Policy Enforcement Manager>= 14.1.0, <= 14.1.2.3
F5Big-Ip Policy Enforcement Manager>= 15.0.0, <= 15.1.0.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-5881?
On versions 15.0.0-15.1.0.1, 14.1.0-14.1.2.3, and 13.1.0-13.1.3.3, when the BIG-IP Virtual Edition (VE) is configured with VLAN groups and there are devices configured with OSPF connected to it, the Network Device Abstraction Layer (NDAL) Interfaces can lock up and in turn disrupting the communication between the mcpd and tmm processes.
How severe is CVE-2020-5881?
CVE-2020-5881 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.28% probability of exploitation in the next 30 days.
How do I fix CVE-2020-5881?
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-2020-5881?

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

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Source: NVD / NIST