CVE-2020-5894
On versions 3.0.0-3.3.0, the NGINX Controller webserver does not invalidate the server-side...
On versions 3.0.0-3.3.0, the NGINX Controller webserver does not invalidate the server-side session token after users log out.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
On versions 3.0.0-3.3.0, the NGINX Controller webserver does not invalidate the server-side session token after users log out.
- Record
CVE-2020-5894- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-384
- Updated
- 2026-11-02
CVE List No score
On versions 3.0.0-3.3.0, the NGINX Controller webserver does not invalidate the server-side session token after users log out.
- Record
CVE-2020-5894- Updated
- 2026-11-02
EUVDEUVD-2020-27048 No score
On versions 3.0.0-3.3.0, the NGINX Controller webserver does not invalidate the server-side session token after users log out.
- Record
EUVD-2020-27048- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q676-x7h7-vq4f
On versions 3.0.0-3.3.0, the NGINX Controller webserver does not invalidate the server-side...
On versions 3.0.0-3.3.0, the NGINX Controller webserver does not invalidate the server-side session token after users log out.
- Record
GHSA-q676-x7h7-vq4f- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N - Weakness
- CWE-384
- 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-2020-5894 is a high vulnerability (CVSS 8.1) in F5 Nginx Controller, published May 7, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.02%, the 63rd percentile. No source names a fixed version.