The NGINX Controller 2.0.0 thru 2.9.0 and 3.x before 3.15.0 Administrator password may be exposed in the systemd.txt file that is included…

published 2021-06-01 5y ago modified 2026-06-17 4mo ago also EUVD-2021-10137

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 15%
public exploits: 0; none known

The NGINX Controller 2.0.0 thru 2.9.0 and 3.x before 3.15.0 Administrator password may be exposed in the systemd.txt file that is included in the NGINX support package.

Patch / fix

fixed in 1

f5 nginx_controller 3.15.0

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Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	6.9	AV:L/AC:M/Au:N/C:C/I:C/A:C

Affected products

n/a Nginx Controller

Classification

Weakness

CWE-201 Insertion of Sensitive Information Into Sent Data
CWE-522 Insufficiently Protected Credentials

References

support.f5.com /csp/article/K04884013
vendor-advisory

Sources

CVE List CVE-2021-23019
NVD CVE-2021-23019

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