Advisory severityMedium5.5F5

Medium [CVE-2023-1550] NGINX: Insertion of Sensitive Information into log file vulnerability in NGINX Agent.

This medium-severity F5 advisory covers CVE-2023-1550; related products: NGINX.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2023-1550 Source published Mar 29, 2023Source updated Jun 17, 2026

VulniPulse record published Mar 29, 2023Record updated Jun 17, 2026

CVE-2023-1550

Monitor future F5 CVEs from your phone.

Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 34 official vendor sources and 160+ reviewed platform categories.

Matching phone alertsOptional email delivery

Get CVE alerts See app features

Summary

Insertion of Sensitive Information into log file vulnerability in NGINX Agent. 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.

Affected versions

Official advisory · high-confidence parse· fetched 3 months ago·verify at source

Fixed versions

2.23.3

Official advisory · high-confidence parse· fetched 3 months ago·verify at source

Mitigation

Upgrade to a fixed release: 2.23.3. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 3 months ago·verify at source

Discussion(0)

No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.