CVE-2023-1550

NGINX Agent vulnerability CVE-2023-1550

MEDIUM
5.5
CVSS Score
Published: March 29, 2023 at 04:34 PM UTC
Updated: June 17, 2026 at 05:28 AM UTC
2 products affected across 1 vendorNGINX Instance ManagerNGINX Agent

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2.0 ≤ v < 2.23.32.0
Affected range stops below 2.23.3, so it looks safe — our inference, not a vendor statement
2.0.0 ≤ v < 2.9.0
Affected range stops below 2.9.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMf5
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-532

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