Strix
26.1K

CVE-2020-27727

MEDIUMCVSS 4.9/10EPSS 0.84%

Last modified

CVE-2020-27727 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. On BIG-IP version 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, and 13.1.0-13.1.3.4, when an authenticated administrative user installs RPMs using the iAppsLX REST installer, the BIG-IP system does not sufficiently validate user input, allowing the user read access to the filesystem.. EPSS estimates a 0.84% chance of exploitation in the next 30 days.

Description

On BIG-IP version 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, and 13.1.0-13.1.3.4, when an authenticated administrative user installs RPMs using the iAppsLX REST installer, the BIG-IP system does not sufficiently validate user input, allowing the user read access to the filesystem.

Metrics

CVSS 3.1
4.9/10

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

EPSS Probability
0.84%

53.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
F5Big-Ip Access Policy Manager>= 13.1.0, < 13.1.3.5
F5Big-Ip Access Policy Manager>= 14.1.0, < 14.1.3.1
F5Big-Ip Access Policy Manager>= 15.0.0, < 15.1.1
F5Big-Ip Access Policy Manager>= 16.0.0, < 16.0.1.1
F5Big-Ip Advanced Firewall Manager>= 13.1.0, < 13.1.3.5
F5Big-Ip Advanced Firewall Manager>= 14.1.0, < 14.1.3.1
F5Big-Ip Advanced Firewall Manager>= 15.0.0, < 15.1.1
F5Big-Ip Advanced Firewall Manager>= 16.0.0, < 16.0.1.1
F5Big-Ip Analytics>= 13.1.0, < 13.1.3.5
F5Big-Ip Analytics>= 14.1.0, < 14.1.3.1
F5Big-Ip Analytics>= 15.0.0, < 15.1.1
F5Big-Ip Analytics>= 16.0.0, < 16.0.1.1
F5Big-Ip Application Acceleration Manager>= 13.1.0, < 13.1.3.5
F5Big-Ip Application Acceleration Manager>= 14.1.0, < 14.1.3.1
F5Big-Ip Application Acceleration Manager>= 15.0.0, < 15.1.1
F5Big-Ip Application Acceleration Manager>= 16.0.0, < 16.0.1.1
F5Big-Ip Application Security Manager>= 13.1.0, < 13.1.3.5
F5Big-Ip Application Security Manager>= 14.1.0, < 14.1.3.1
F5Big-Ip Application Security Manager>= 15.0.0, < 15.1.1
F5Big-Ip Application Security Manager>= 16.0.0, < 16.0.1.1
F5Big-Ip Domain Name System>= 13.1.0, < 13.1.3.5
F5Big-Ip Domain Name System>= 14.1.0, < 14.1.3.1
F5Big-Ip Domain Name System>= 15.0.0, < 15.1.1
F5Big-Ip Domain Name System>= 16.0.0, < 16.0.1.1
F5Big-Ip Fraud Protection Service>= 13.1.0, < 13.1.3.5
F5Big-Ip Fraud Protection Service>= 14.1.0, < 14.1.3.1
F5Big-Ip Fraud Protection Service>= 15.0.0, < 15.1.1
F5Big-Ip Fraud Protection Service>= 16.0.0, < 16.0.1.1
F5Big-Ip Global Traffic Manager>= 13.1.0, < 13.1.3.5
F5Big-Ip Global Traffic Manager>= 14.1.0, < 14.1.3.1
F5Big-Ip Global Traffic Manager>= 15.0.0, < 15.1.1
F5Big-Ip Global Traffic Manager>= 16.0.0, < 16.0.1.1
F5Big-Ip Link Controller>= 13.1.0, < 13.1.3.5
F5Big-Ip Link Controller>= 14.1.0, < 14.1.3.1
F5Big-Ip Link Controller>= 15.0.0, < 15.1.1
F5Big-Ip Link Controller>= 16.0.0, < 16.0.1.1
F5Big-Ip Local Traffic Manager>= 13.1.0, < 13.1.3.5
F5Big-Ip Local Traffic Manager>= 14.1.0, < 14.1.3.1
F5Big-Ip Local Traffic Manager>= 15.0.0, < 15.1.1
F5Big-Ip Local Traffic Manager>= 16.0.0, < 16.0.1.1
F5Big-Ip Policy Enforcement Manager>= 13.1.0, < 13.1.3.5
F5Big-Ip Policy Enforcement Manager>= 14.1.0, < 14.1.3.1
F5Big-Ip Policy Enforcement Manager>= 15.0.0, < 15.1.1
F5Big-Ip Policy Enforcement Manager>= 16.0.0, < 16.0.1.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-27727?
On BIG-IP version 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, and 13.1.0-13.1.3.4, when an authenticated administrative user installs RPMs using the iAppsLX REST installer, the BIG-IP system does not sufficiently validate user input, allowing the user read access to the filesystem.
How severe is CVE-2020-27727?
CVE-2020-27727 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 0.84% probability of exploitation in the next 30 days.
How do I fix CVE-2020-27727?
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-2020-27727?

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

Scan your code now

Source: NVD / NIST