CVE-2020-27727: Input Validation
First published: Thu Dec 24 2020(Updated: )
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.
Credit: f5sirt@f5.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| F5 Access Policy Manager | >=13.1.0<13.1.3.5 | |
| F5 Access Policy Manager | >=14.1.0<14.1.3.1 | |
| F5 Access Policy Manager | >=15.0.0<15.1.1 | |
| F5 Access Policy Manager | >=16.0.0<16.0.1.1 | |
| F5 BIG-IP Advanced Firewall Manager | >=13.1.0<13.1.3.5 | |
| F5 BIG-IP Advanced Firewall Manager | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP Advanced Firewall Manager | >=15.0.0<15.1.1 | |
| F5 BIG-IP Advanced Firewall Manager | >=16.0.0<16.0.1.1 | |
| F5 BIG-IP Analytics | >=13.1.0<13.1.3.5 | |
| F5 BIG-IP Analytics | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP Analytics | >=15.0.0<15.1.1 | |
| F5 BIG-IP Analytics | >=16.0.0<16.0.1.1 | |
| F5 BIG-IP Application Acceleration Manager | >=13.1.0<13.1.3.5 | |
| F5 BIG-IP Application Acceleration Manager | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP Application Acceleration Manager | >=15.0.0<15.1.1 | |
| F5 BIG-IP Application Acceleration Manager | >=16.0.0<16.0.1.1 | |
| F5 Application Security Manager | >=13.1.0<13.1.3.5 | |
| F5 Application Security Manager | >=14.1.0<14.1.3.1 | |
| F5 Application Security Manager | >=15.0.0<15.1.1 | |
| F5 Application Security Manager | >=16.0.0<16.0.1.1 | |
| F5 BIG-IP | >=13.1.0<13.1.3.5 | |
| F5 BIG-IP | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP | >=15.0.0<15.1.1 | |
| F5 BIG-IP | >=16.0.0<16.0.1.1 | |
| F5 BIG-IP Fraud Protection Service | >=13.1.0<13.1.3.5 | |
| F5 BIG-IP Fraud Protection Service | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP Fraud Protection Service | >=15.0.0<15.1.1 | |
| F5 BIG-IP Fraud Protection Service | >=16.0.0<16.0.1.1 | |
| Riverbed SteelApp Traffic Manager | >=13.1.0<13.1.3.5 | |
| Riverbed SteelApp Traffic Manager | >=14.1.0<14.1.3.1 | |
| Riverbed SteelApp Traffic Manager | >=15.0.0<15.1.1 | |
| Riverbed SteelApp Traffic Manager | >=16.0.0<16.0.1.1 | |
| F5 BIG-IP Link Controller | >=13.1.0<13.1.3.5 | |
| F5 BIG-IP Link Controller | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP Link Controller | >=15.0.0<15.1.1 | |
| F5 BIG-IP Link Controller | >=16.0.0<16.0.1.1 | |
| Riverbed SteelApp Traffic Manager | >=13.1.0<13.1.3.5 | |
| Riverbed SteelApp Traffic Manager | >=14.1.0<14.1.3.1 | |
| Riverbed SteelApp Traffic Manager | >=15.0.0<15.1.1 | |
| Riverbed SteelApp Traffic Manager | >=16.0.0<16.0.1.1 | |
| F5 BIG-IP Policy Enforcement Manager | >=13.1.0<13.1.3.5 | |
| F5 BIG-IP Policy Enforcement Manager | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP Policy Enforcement Manager | >=15.0.0<15.1.1 | |
| F5 BIG-IP Policy Enforcement Manager | >=16.0.0<16.0.1.1 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of CVE-2020-27727?
CVE-2020-27727 has a high severity rating due to the potential for unauthorized file system access by authenticated users.
How do I fix CVE-2020-27727?
To fix CVE-2020-27727, upgrade your F5 BIG-IP software to a version that is not affected, specifically to version 16.0.1.1, 15.1.1, 14.1.3.1, or 13.1.3.5 or later.
Who is affected by CVE-2020-27727?
Affected users include administrators running BIG-IP versions 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.
What are the implications of CVE-2020-27727?
The implications of CVE-2020-27727 include the risk of sensitive data exposure and potential system compromise due to insufficient input validation.
Is CVE-2020-27727 remotely exploitable?
CVE-2020-27727 is not remotely exploitable as it requires authentication by an administrative user.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/last-modified-date
- agent/references
- agent/severity
- agent/author
- agent/first-publish-date
- agent/event
- agent/description
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/f5
- canonical/f5 access policy manager
- version/f5 access policy manager/13.1.0
- version/f5 access policy manager/14.1.0
- version/f5 access policy manager/15.0.0
- version/f5 access policy manager/16.0.0
- canonical/f5 big-ip advanced firewall manager
- version/f5 big-ip advanced firewall manager/13.1.0
- version/f5 big-ip advanced firewall manager/14.1.0
- version/f5 big-ip advanced firewall manager/15.0.0
- version/f5 big-ip advanced firewall manager/16.0.0
- canonical/f5 big-ip analytics
- version/f5 big-ip analytics/13.1.0
- version/f5 big-ip analytics/14.1.0
- version/f5 big-ip analytics/15.0.0
- version/f5 big-ip analytics/16.0.0
- canonical/f5 big-ip application acceleration manager
- version/f5 big-ip application acceleration manager/13.1.0
- version/f5 big-ip application acceleration manager/14.1.0
- version/f5 big-ip application acceleration manager/15.0.0
- version/f5 big-ip application acceleration manager/16.0.0
- canonical/f5 application security manager
- version/f5 application security manager/13.1.0
- version/f5 application security manager/14.1.0
- version/f5 application security manager/15.0.0
- version/f5 application security manager/16.0.0
- canonical/f5 big-ip
- version/f5 big-ip/13.1.0
- version/f5 big-ip/14.1.0
- version/f5 big-ip/15.0.0
- version/f5 big-ip/16.0.0
- canonical/f5 big-ip fraud protection service
- version/f5 big-ip fraud protection service/13.1.0
- version/f5 big-ip fraud protection service/14.1.0
- version/f5 big-ip fraud protection service/15.0.0
- version/f5 big-ip fraud protection service/16.0.0
- canonical/riverbed steelapp traffic manager
- version/riverbed steelapp traffic manager/13.1.0
- version/riverbed steelapp traffic manager/14.1.0
- version/riverbed steelapp traffic manager/15.0.0
- version/riverbed steelapp traffic manager/16.0.0
- canonical/f5 big-ip link controller
- version/f5 big-ip link controller/13.1.0
- version/f5 big-ip link controller/14.1.0
- version/f5 big-ip link controller/15.0.0
- version/f5 big-ip link controller/16.0.0
- canonical/f5 big-ip policy enforcement manager
- version/f5 big-ip policy enforcement manager/13.1.0
- version/f5 big-ip policy enforcement manager/14.1.0
- version/f5 big-ip policy enforcement manager/15.0.0
- version/f5 big-ip policy enforcement manager/16.0.0