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...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-27727- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-27727- Updated
- 2026-11-02
EUVDEUVD-2020-20231 No score
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.
- Record
EUVD-2020-20231- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7vpr-695p-h2h2 No score
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...
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.
- Record
GHSA-7vpr-695p-h2h2- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
- f5 big-ip
- f5 big-ip access policy manager
- f5 big-ip advanced firewall manager
- f5 big-ip analytics
- f5 big-ip application acceleration manager
- f5 big-ip application security manager
- f5 big-ip domain name system
- f5 big-ip fraud protection service
- f5 big-ip global traffic manager
- f5 big-ip link controller
- f5 big-ip local traffic manager
- f5 big-ip policy enforcement manager
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-27727 is a medium vulnerability (CVSS 4.9) in F5 Big-ip, published December 24, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.85%, the 58th percentile. No source names a fixed version.