What is CVE-2023-34407?

CVE-2023-34407 is a high-severity vulnerability in Harbingergroup Office Player, classified under Path Traversal. CVSS score: 7.5/10. Published 2023-06-05.

How severe is CVE-2023-34407?

High severity. CVSS v3 base score is 7.5 out of 10.

Path Traversal in Harbingergroup Office Player

CVE-2023-34407

OfflinePlayerService.exe in Harbinger Offline Player 4.0.6.0.2 allows directory traversal as LocalSystem via ..\ in a URL.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2023-06-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.011 (65.8th percentile), scored 2026-10-09.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Harbingergroup Office Player — versions 4.0.6.0.2

Weakness classification (CWE)

CWE-22 — Path Traversal

References

cybir.com/2023/cve/proof-of-concept-checkpoint-learning-harbinger-systems-offli… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-34407?: CVE-2023-34407 is a high-severity vulnerability in Harbingergroup Office Player, classified under Path Traversal. CVSS score: 7.5/10. Published 2023-06-05.
How severe is CVE-2023-34407?: High severity. CVSS v3 base score is 7.5 out of 10.