CVE-2020-5899
In NGINX Controller 3.0.0-3.4.0, recovery code required to change a user's password is...
In NGINX Controller 3.0.0-3.4.0, recovery code required to change a user's password is transmitted and stored in the database in plain text, which allows an attacker who can intercept the database connection or have read access to the database, to request a password reset using the email address of another registered user then retrieve the recovery code.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In NGINX Controller 3.0.0-3.4.0, recovery code required to change a user's password is transmitted and stored in the database in plain text, which allows an attacker who can intercept the database connection or have read access to the database, to request a password reset using the email address of another registered user then retrieve the recovery code.
- Record
CVE-2020-5899- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-312, CWE-319, CWE-522
- Updated
- 2026-11-02
CVE List No score
In NGINX Controller 3.0.0-3.4.0, recovery code required to change a user's password is transmitted and stored in the database in plain text, which allows an attacker who can intercept the database connection or have read access to the database, to request a password reset using the email address of another registered user then retrieve the recovery code.
- Record
CVE-2020-5899- Updated
- 2026-11-02
EUVDEUVD-2020-27053 No score
In NGINX Controller 3.0.0-3.4.0, recovery code required to change a user's password is transmitted and stored in the database in plain text, which allows an attacker who can intercept the database connection or have read access to the database, to request a password reset using the email address of another registered user then retrieve the recovery code.
- Record
EUVD-2020-27053- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g32f-cm3q-jcmh No score
In NGINX Controller 3.0.0-3.4.0, recovery code required to change a user's password is...
In NGINX Controller 3.0.0-3.4.0, recovery code required to change a user's password is transmitted and stored in the database in plain text, which allows an attacker who can intercept the database connection or have read access to the database, to request a password reset using the email address of another registered user then retrieve the recovery code.
- Record
GHSA-g32f-cm3q-jcmh- Weakness
- CWE-640
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-5899 is a high vulnerability (CVSS 7.8) in F5 Nginx Controller, published July 1, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 8th percentile. No source names a fixed version.