CVE-2020-16996
Kerberos Security Feature Bypass Vulnerability
6.5 Medium
Kerberos Security Feature Bypass Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
2.37%Down 2.2 points since Apr 14, 2021
What each source reports
CVE List Score used
6.5
Kerberos Security Feature Bypass Vulnerability
Kerberos Security Feature Bypass Vulnerability
- Record
CVE-2020-16996- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2020-8953
6.5
Kerberos Security Feature Bypass Vulnerability
- Record
EUVD-2020-8953- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-3cr5-frrf-7285
6.5
, aka 'Kerberos Security Feature Bypass Vulnerability'.
, aka 'Kerberos Security Feature Bypass Vulnerability'.
- Record
GHSA-3cr5-frrf-7285- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
NVD
6.5
Kerberos Security Feature Bypass Vulnerability
- Record
CVE-2020-16996- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:P/A:N - Updated
- 2026-11-02
Affected products
- microsoft windows server 2012
- microsoft windows server 2012 (server core installation)
- microsoft windows server 2012 r2
- microsoft windows server 2012 r2 (server core installation)
- microsoft windows server 2016
- microsoft windows server 2016 (server core installation)
- microsoft windows server 2019
- microsoft windows server 2019 (server core installation)
- microsoft windows server version 2004
- microsoft windows server version 20h2
- microsoft windows server, version 1903 (server core installation)
- microsoft windows server, version 1909 (server core installation)
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-16996 is a medium vulnerability (CVSS 6.5) in Microsoft Windows Server 2012, published December 9, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.37%, the 83rd percentile. No source names a fixed version.