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Vulnerability record · CVE-2023-1550 · published 29 March 2023

CVE-2023-1550: F5 nginx agent sensitive information in log file vulnerability

F5 · Nginx Agent

Insertion of Sensitive Information into log file vulnerability in NGINX Agent. NGINX Agent version 2.0 before 2.23.3 inserts sensitive information into a log file. An authenticated attacker with local access to read agent log files may gain access to private keys. This issue is only exposed when the non-default trace level logging is enabled. Note: NGINX Agent is included with NGINX Instance Manager and used in conjunction with NGINX API Connectivity Manager, and NGINX Management Suite Security Monitoring.

5.5 CVSS 3.1 Medium EPSS 0.22% · top 89.0% CWE-532 · Sensitive information in log file
5.5CVSS 3.1 base score
0.22%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Insertion of Sensitive Information into log file vulnerability in NGINX Agent. NGINX Agent version 2.0 before 2.23.3 inserts sensitive information into a log file. An authenticated attacker with local access to read agent log files may gain access to private keys. This issue is only exposed when the non-default trace level logging is enabled. Note: NGINX Agent is included with NGINX Instance Manager and used in conjunction with NGINX API Connectivity Manager, and NGINX Management Suite Security Monitoring.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://my.f5.com/manage/s/article/K000133135 Vendor Advisory
https://security.netapp.com/advisory/ntap-20230511-0008/
https://my.f5.com/manage/s/article/K000133135 Vendor Advisory
https://security.netapp.com/advisory/ntap-20230511-0008/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-1550), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.