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CVE-2020-5858

HIGHCVSS 7.8/10EPSS 0.45%

Last modified

CVE-2020-5858 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. On BIG-IP 15.0.0-15.0.1.2, 14.1.0-14.1.2.2, 13.1.0-13.1.3.2, 12.1.0-12.1.5, and 11.5.2-11.6.5.1 and BIG-IQ 7.0.0, 6.0.0-6.1.0, and 5.2.0-5.4.0, users with non-administrator roles (for example, Guest or Resource Administrator) with tmsh shell access can execute arbitrary commands with elevated privilege via a crafted tmsh command.. EPSS estimates a 0.45% chance of exploitation in the next 30 days.

Description

On BIG-IP 15.0.0-15.0.1.2, 14.1.0-14.1.2.2, 13.1.0-13.1.3.2, 12.1.0-12.1.5, and 11.5.2-11.6.5.1 and BIG-IQ 7.0.0, 6.0.0-6.1.0, and 5.2.0-5.4.0, users with non-administrator roles (for example, Guest or Resource Administrator) with tmsh shell access can execute arbitrary commands with elevated privilege via a crafted tmsh command.

Metrics

CVSS 3.1
7.8/10

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

EPSS Probability
0.45%

36.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
F5Big-Iq Centralized Management>= 5.2.0, <= 5.4.0
F5Big-Iq Centralized Management>= 6.0.0, <= 6.1.0
F5Big-Iq Centralized Management7.0.0
F5Big-Ip Access Policy Manager>= 11.5.2, <= 11.6.5
F5Big-Ip Access Policy Manager>= 12.1.0, <= 12.1.5
F5Big-Ip Access Policy Manager>= 13.1.0, <= 13.1.3
F5Big-Ip Access Policy Manager>= 14.1.0, <= 14.1.2
F5Big-Ip Access Policy Manager>= 15.0.0, <= 15.0.1
F5Big-Ip Advanced Firewall Manager>= 11.5.2, <= 11.6.5
F5Big-Ip Advanced Firewall Manager>= 12.1.0, <= 12.1.5
F5Big-Ip Advanced Firewall Manager>= 13.1.0, <= 13.1.3
F5Big-Ip Advanced Firewall Manager>= 14.1.0, <= 14.1.2
F5Big-Ip Advanced Firewall Manager>= 15.0.0, <= 15.0.1
F5Big-Ip Analytics>= 11.5.2, <= 11.6.5
F5Big-Ip Analytics>= 12.1.0, <= 12.1.5
F5Big-Ip Analytics>= 13.1.0, <= 13.1.3
F5Big-Ip Analytics>= 14.1.0, <= 14.1.2
F5Big-Ip Analytics>= 15.0.0, <= 15.0.1
F5Big-Ip Application Acceleration Manager>= 11.5.2, <= 11.6.5
F5Big-Ip Application Acceleration Manager>= 12.1.0, <= 12.1.5
F5Big-Ip Application Acceleration Manager>= 13.1.0, <= 13.1.3
F5Big-Ip Application Acceleration Manager>= 14.1.0, <= 14.1.2
F5Big-Ip Application Acceleration Manager>= 15.0.0, <= 15.0.1
F5Big-Ip Application Security Manager>= 11.5.2, <= 11.6.5
F5Big-Ip Application Security Manager>= 12.1.0, <= 12.1.5
F5Big-Ip Application Security Manager>= 13.1.0, <= 13.1.3
F5Big-Ip Application Security Manager>= 14.1.0, <= 14.1.2
F5Big-Ip Application Security Manager>= 15.0.0, <= 15.0.1
F5Big-Ip Domain Name System>= 11.5.2, <= 11.6.5
F5Big-Ip Domain Name System>= 12.1.0, <= 12.1.5
F5Big-Ip Domain Name System>= 13.1.0, <= 13.1.3
F5Big-Ip Domain Name System>= 14.1.0, <= 14.1.2
F5Big-Ip Domain Name System>= 15.0.0, <= 15.0.1
F5Big-Ip Edge Gateway>= 11.5.2, <= 11.6.5
F5Big-Ip Edge Gateway>= 12.1.0, <= 12.1.5
F5Big-Ip Edge Gateway>= 13.1.0, <= 13.1.3
F5Big-Ip Edge Gateway>= 14.1.0, <= 14.1.2
F5Big-Ip Edge Gateway>= 15.0.0, <= 15.0.1
F5Big-Ip Fraud Protection Service>= 11.5.2, <= 11.6.5
F5Big-Ip Fraud Protection Service>= 12.1.0, <= 12.1.5
F5Big-Ip Fraud Protection Service>= 13.1.0, <= 13.1.3
F5Big-Ip Fraud Protection Service>= 14.1.0, <= 14.1.2
F5Big-Ip Fraud Protection Service>= 15.0.0, <= 15.0.1
F5Big-Ip Global Traffic Manager>= 11.5.2, <= 11.6.5
F5Big-Ip Global Traffic Manager>= 12.1.0, <= 12.1.5
F5Big-Ip Global Traffic Manager>= 13.1.0, <= 13.1.3
F5Big-Ip Global Traffic Manager>= 14.1.0, <= 14.1.2
F5Big-Ip Global Traffic Manager>= 15.0.0, <= 15.0.1
F5Big-Ip Link Controller>= 11.5.2, <= 11.6.5
F5Big-Ip Link Controller>= 12.1.0, <= 12.1.5

Showing 50 of 68 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-5858?
On BIG-IP 15.0.0-15.0.1.2, 14.1.0-14.1.2.2, 13.1.0-13.1.3.2, 12.1.0-12.1.5, and 11.5.2-11.6.5.1 and BIG-IQ 7.0.0, 6.0.0-6.1.0, and 5.2.0-5.4.0, users with non-administrator roles (for example, Guest or Resource Administrator) with tmsh shell access can execute arbitrary commands with elevated privilege via a crafted tmsh command.
How severe is CVE-2020-5858?
CVE-2020-5858 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.45% probability of exploitation in the next 30 days.
How do I fix CVE-2020-5858?
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-2020-5858?

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

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Source: NVD / NIST