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CVE-2022-48483

HIGH
7.5
CVSS Score
Published: May 2, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:15 AM UTC
1 product affected across 1 vendor3CX

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Severity
HIGH7.5
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

3CX before 18 Hotfix 1 build 18.0.3.461 on Windows allows unauthenticated remote attackers to read %WINDIR%\system32 files via /Electron/download directory traversal in conjunction with a path component that has a drive letter and uses backslash characters. NOTE: this issue exists because of an incomplete fix for CVE-2022-28005.

Affected

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

3CX· 3CX
95%
v < 18.0.3.461
Affected range stops below 18.0.3.461, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: [email protected]
https://medium.com/%40frycos/pwning-3cx-phone-management-backends-from-the-internet-d0096339dd88
Release Notes
Source: [email protected]
https://www.3cx.com/blog/change-log/phone-system-change-log/

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

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

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-22

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