CVE-2022-39186

Configuration disclosure via overly permissive file permissions

Published Jan 12, 2023 · Updated Apr 8, 2025

Incorrect permissions on the system configuration file in EXFO BV-10 Performance Endpoint Unit allow local users to read sensitive data. The unit assigns access permissions that expose the file to unintended local accounts; the exact path and permission mode are undisclosed. Local appliance access is required, and the published impact is limited to confidentiality, with no reported file modification or service interruption.

CVSS severity5.5
Medium
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect permissions on the system configuration file in EXFO BV-10 Performance Endpoint Unit allow local users to read sensitive data. The unit assigns access permissions that expose the file to unintended local accounts; the exact path and permission mode are undisclosed. Local appliance access is required, and the published impact is limited to confidentiality, with no reported file modification or service interruption.

The record

CVE
CVE-2022-39186
Published
Jan 12, 2023
Updated
Apr 8, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-732, T1005
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 12, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.2Israel National Cyber DirectorateCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-732Incorrect Permission Assignment for Critical Resource
T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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