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CVE-2019-19151

MEDIUMCVSS 5.5/10EPSS 0.30%

Last modified

CVE-2019-19151 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. On BIG-IP versions 15.0.0-15.1.0, 14.0.0-14.1.2.3, 13.1.0-13.1.3.2, 12.1.0-12.1.5, and 11.5.2-11.6.5.1, BIG-IQ versions 7.0.0, 6.0.0-6.1.0, and 5.0.0-5.4.0, iWorkflow version 2.3.0, and Enterprise Manager version 3.1.1, authenticated users granted TMOS Shell (tmsh) privileges are able access objects on the file system which would normally be disallowed by tmsh restrictions. This allows for authenticated, low privileged attackers to access objects on the file system which would not normally be allowed.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

Description

On BIG-IP versions 15.0.0-15.1.0, 14.0.0-14.1.2.3, 13.1.0-13.1.3.2, 12.1.0-12.1.5, and 11.5.2-11.6.5.1, BIG-IQ versions 7.0.0, 6.0.0-6.1.0, and 5.0.0-5.4.0, iWorkflow version 2.3.0, and Enterprise Manager version 3.1.1, authenticated users granted TMOS Shell (tmsh) privileges are able access objects on the file system which would normally be disallowed by tmsh restrictions. This allows for authenticated, low privileged attackers to access objects on the file system which would not normally be allowed.

Metrics

CVSS 3.1
5.5/10

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

EPSS Probability
0.30%

21.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
F5Big-Iq Centralized Management>= 5.0.0, <= 5.4.0
F5Big-Iq Centralized Management>= 6.0.0, <= 6.1.0
F5Big-Iq Centralized Management7.0.0
F5Big-Ip Access Policy Manager>= 11.5.1, <= 11.6.5
F5Big-Ip Access Policy Manager>= 12.1.0, <= 12.1.5
F5Big-Ip Access Policy Manager>= 13.0.0, <= 13.1.3
F5Big-Ip Access Policy Manager>= 14.0.0, <= 14.1.2
F5Big-Ip Access Policy Manager>= 15.0.0, <= 15.1.0
F5Big-Ip Advanced Firewall Manager>= 11.5.1, <= 11.6.5
F5Big-Ip Advanced Firewall Manager>= 12.1.0, <= 12.1.5
F5Big-Ip Advanced Firewall Manager>= 13.0.0, <= 13.1.3
F5Big-Ip Advanced Firewall Manager>= 14.0.0, <= 14.1.2
F5Big-Ip Advanced Firewall Manager>= 15.0.0, <= 15.1.0
F5Big-Ip Analytics>= 11.5.1, <= 11.6.5
F5Big-Ip Analytics>= 12.1.0, <= 12.1.5
F5Big-Ip Analytics>= 13.0.0, <= 13.1.3
F5Big-Ip Analytics>= 14.0.0, <= 14.1.2
F5Big-Ip Analytics>= 15.0.0, <= 15.1.0
F5Big-Ip Application Acceleration Manager>= 11.5.1, <= 11.6.5
F5Big-Ip Application Acceleration Manager>= 12.1.0, <= 12.1.5
F5Big-Ip Application Acceleration Manager>= 13.0.0, <= 13.1.3
F5Big-Ip Application Acceleration Manager>= 14.0.0, <= 14.1.2
F5Big-Ip Application Acceleration Manager>= 15.0.0, <= 15.1.0
F5Big-Ip Application Security Manager>= 11.5.1, <= 11.6.5
F5Big-Ip Application Security Manager>= 12.1.0, <= 12.1.5
F5Big-Ip Application Security Manager>= 13.0.0, <= 13.1.3
F5Big-Ip Application Security Manager>= 14.0.0, <= 14.1.2
F5Big-Ip Application Security Manager>= 15.0.0, <= 15.1.0
F5Big-Ip Domain Name System>= 11.5.1, <= 11.6.5
F5Big-Ip Domain Name System>= 12.1.0, <= 12.1.5
F5Big-Ip Domain Name System>= 13.0.0, <= 13.1.3
F5Big-Ip Domain Name System>= 14.0.0, <= 14.1.2
F5Big-Ip Domain Name System>= 15.0.0, <= 15.1.0
F5Big-Ip Edge Gateway>= 11.5.1, <= 11.6.5
F5Big-Ip Edge Gateway>= 12.1.0, <= 12.1.5
F5Big-Ip Edge Gateway>= 13.0.0, <= 13.1.3
F5Big-Ip Edge Gateway>= 14.0.0, <= 14.1.2
F5Big-Ip Edge Gateway>= 15.0.0, <= 15.1.0
F5Big-Ip Fraud Protection Service>= 11.5.1, <= 11.6.5
F5Big-Ip Fraud Protection Service>= 12.1.0, <= 12.1.5
F5Big-Ip Fraud Protection Service>= 13.0.0, <= 13.1.3
F5Big-Ip Fraud Protection Service>= 14.0.0, <= 14.1.2
F5Big-Ip Fraud Protection Service>= 15.0.0, <= 15.1.0
F5Big-Ip Global Traffic Manager>= 11.5.1, <= 11.6.5
F5Big-Ip Global Traffic Manager>= 12.1.0, <= 12.1.5
F5Big-Ip Global Traffic Manager>= 13.0.0, <= 13.1.3
F5Big-Ip Global Traffic Manager>= 14.0.0, <= 14.1.2
F5Big-Ip Global Traffic Manager>= 15.0.0, <= 15.1.0
F5Big-Ip Link Controller>= 11.5.1, <= 11.6.5
F5Big-Ip Link Controller>= 12.1.0, <= 12.1.5

Showing 50 of 70 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-19151?
On BIG-IP versions 15.0.0-15.1.0, 14.0.0-14.1.2.3, 13.1.0-13.1.3.2, 12.1.0-12.1.5, and 11.5.2-11.6.5.1, BIG-IQ versions 7.0.0, 6.0.0-6.1.0, and 5.0.0-5.4.0, iWorkflow version 2.3.0, and Enterprise Manager version 3.1.1, authenticated users granted TMOS Shell (tmsh) privileges are able access objects on the file system which would normally be disallowed by tmsh restrictions. This allows for authenticated, low privileged attackers to access objects on the file system which would not normally be allowed.
How severe is CVE-2019-19151?
CVE-2019-19151 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.
How do I fix CVE-2019-19151?
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