Medium severity · published Jul 2, 2020
CVE-2020-5909
In versions 3.0.0-3.5.0, 2.0.0-2.9.0, and 1.0.1, when users run the command displayed in NGINX Controller user interface (UI) to fetch the agent installer, the server TLS…
5.4
CVSS
0.4%
EPSS
No
On KEV
Description
In versions 3.0.0-3.5.0, 2.0.0-2.9.0, and 1.0.1, when users run the command displayed in NGINX Controller user interface (UI) to fetch the agent installer, the server TLS certificate is not verified.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NC
Nginx Controller · F5
2.0.0 through 2.9.0; 3.0.0 through 3.5.0; 1.0.1 · source: NVD
Affected product
NC
Nginx Controller
F5
More from Nginx Controller
9.8
CVE-2020-27730
In versions 3.0.0-3.9.0, 2.0.0-2.9.0, and 1.0.1, the NGINX Controller Agent does not use absolute paths when calling system utilities
9.6
CVE-2020-5901
In NGINX Controller 3.3.0-3.4.0, undisclosed API endpoints may allow for a reflected Cross Site Scripting (XSS) attack
8.8
CVE-2020-5900
In versions 3.0.0-3.4.0, 2.0.0-2.9.0, and 1.0.1, there is insufficient cross-site request forgery (CSRF) protections for the NGINX Controller user interface
8.6
CVE-2020-5863
In NGINX Controller versions prior to 3.2.0, an unauthenticated attacker with network access to the Controller API can create unprivileged user accounts
8.1
CVE-2020-5894
On versions 3.0.0-3.3.0, the NGINX Controller webserver does not invalidate the server-side session token after users log out