HOMEVULNERABILITIESCVE-2020-5863
HIGH

CVE-2020-5863

NVD-CWE-noinfoPublished: March 27, 2020· Updated: Jun 17, 2026

8.6
CVSS v3.1

Official Description

In NGINX Controller versions prior to 3.2.0, an unauthenticated attacker with network access to the Controller API can create unprivileged user accounts. The user which is created is only able to upload a new license to the system but cannot view or modify any other components of the system.

NVD Source

Technical Analysis

CVE-2020-5863 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 8.6.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Affected Vendors & Products

f51 product(s)
nginx controller
netapp1 product(s)
cloud backup
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://security.netapp.com/advisory/ntap-20200430-0005/
ADVISORYhttps://support.f5.com/csp/article/K14631834
ADVISORYhttps://security.netapp.com/advisory/ntap-20200430-0005/
ADVISORYhttps://support.f5.com/csp/article/K14631834

All References (4)

→
https://security.netapp.com/advisory/ntap-20200430-0005/Third Party Advisory
→
https://support.f5.com/csp/article/K14631834Vendor Advisory
→
https://security.netapp.com/advisory/ntap-20200430-0005/Third Party Advisory
→
https://support.f5.com/csp/article/K14631834Vendor Advisory

Quick Facts

CVE IDCVE-2020-5863
CVSS Score8.6 / 10
SeverityHIGH
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected2 vendor(s)
PublishedMar 27, 2020

Related CVEs (NVD-CWE-noinfo)

CVE-2022-37968
10.0
CVE-2019-25136
10.0
CVE-2021-41873
10.0
CVE-2022-32845
10.0
CVE-2021-35652
10.0
CVE-2017-6326
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-5863 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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