Public proof of conceptFix available

CVE-2022-48482

Q: Is CVE-2022-48482 actively exploited?

A proof-of-concept exploit exists for CVE-2022-48482, but active exploitation has not been confirmed at this time.

Q: What is the CVSS score for CVE-2022-48482?

CVE-2022-48482 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

A public proof of concept exists; no exploitation attested.

Published2023-05-02
Fixed in18.0.2.315
WeaknessCWE-22

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2023-05-0205:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-48482?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-48482?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

3cxversion to verify

Branch	Affected	Fixed in	Source
18.0	< 18.0.2.315	18.0.2.315	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update 3cx to 18.0.2.315

Advisories and patches

www.3cx.comRelease Notes

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionpoc2025-01-30
OpenCVESSVC decisionpoc—
CISA-ADPCVSS 3.17.52025-01-30
NVDCVSS 3.17.5read 2026-10-23
CISA-ADPweakness (CWE)CWE-222025-01-30
NVDweakness (CWE)CWE-22read 2026-10-23
FIRST EPSSEPSS score1.8 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published: 2023-05-02
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-48482?

Is CVE-2022-48482 actively exploited?

A proof-of-concept exploit exists for CVE-2022-48482, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2022-48482?

CVE-2022-48482 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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