CVE-2022-48482: 3CX before 18 Update 2 Security Hotfix build 18.0.2.315 on Windows allows unauthenticated remote attackers to

Q: How do I fix CVE-2022-48482?

3cx: upgrade to 18.0.2.315. Exact commands for each OS are on this page.

Q: Is CVE-2022-48482 being exploited?

CVE-2022-48482 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-48482 affect?

CVE-2022-48482 affects 3cx. Severity is high (CVSS 7.5). 3CX before 18 Update 2 Security Hotfix build 18.0.2.315 on Windows allows unauthenticated remote attackers to read certain files via /Electron/download directory traversal. Files may have credentials, full backups, call recordings, and chat

Q: How urgent is CVE-2022-48482?

Priority 52/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2022-48482 is a high-severity flaw (CVSS 7.5) affecting 3cx. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

3CX before 18 Update 2 Security Hotfix build 18.0.2.315 on Windows allows unauthenticated remote attackers to read certain files via /Electron/download directory traversal. Files may have credentials, full backups, call recordings, and chat logs.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.2% (top 18%)
CISA exploited list	No
Weakness	CWE-22
Published	2023-05-02
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: 3cx

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-05-02 05:15 UTCPublished CVE record published
2026-06-17 05:15 UTCUpdated Record last modified

3cx 3cx UPGRADE

Affected: < 18.0.2.315

Fixed in: 18.0.2.315

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy 3cx || rpm -q 3cx || 3cx --version

2. UPGRADE to 18.0.2.315 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade 3cx

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade 3cx

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-48482?

3cx: upgrade to 18.0.2.315. Exact commands for each OS are on this page.

Is CVE-2022-48482 being exploited?

CVE-2022-48482 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-48482 affect?

CVE-2022-48482 affects 3cx. Severity is high (CVSS 7.5). 3CX before 18 Update 2 Security Hotfix build 18.0.2.315 on Windows allows unauthenticated remote attackers to read certain files via /Electron/download directory traversal. Files may have credentials, full backups, call recordings, and chat

How urgent is CVE-2022-48482?

Priority 52/100. High severity; Remotely exploitable, no login, no user action

Software pages

Windows vulnerabilities · Electron vulnerabilities

Related CVEs

CVE-2023-49954 CRITICAL 9.8 UPGRADE The CRM Integration in 3CX before 18.0.9.23 and 20 before 20.0.0.1494 allows SQL Injection via a first name, s
CVE-2023-29059 HIGH 7.8 DOWNGRADE DOWNGRADE 3CX DesktopApp through 18.12.416 has embedded malicious code, as exploited in the wild in March 2023
CVE-2023-27362 HIGH 7.8 UPGRADE 3CX Uncontrolled Search Path Local Privilege Escalation Vulnerability
CVE-2022-48483 HIGH 7.5 UPGRADE 3CX before 18 Hotfix 1 build 18.0.3.461 on Windows allows unauthenticated remote attackers to read %WINDIR%\sy

References

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