How severe is CVE-2023-34407?

CVE-2023-34407 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-34407 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34407?

CVE-2023-34407 affects Harbingergroup Office Player. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-34407?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-34407 published?

CVE-2023-34407 was published on 2023-06-05 and last updated on 2026-06-17.

CVE-2023-34407

CVE-2023-34407 is a high-severity vulnerability in Harbingergroup Office Player with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Harbingergroup Office Player
Published: 2023-06-05
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2023-34407?: OfflinePlayerService.exe in Harbinger Offline Player 4.0.6.0.2 allows directory traversal as LocalSystem via ..\ in a URL.
How severe is CVE-2023-34407?: CVE-2023-34407 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-34407 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34407?: CVE-2023-34407 affects Harbingergroup Office Player. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-34407?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-34407 published?: CVE-2023-34407 was published on 2023-06-05 and last updated on 2026-06-17.

References

https://cybir.com/2023/cve/proof-of-concept-checkpoint-learning-harbinger-systems-offline-player-multiple-poc-for-cl-4-0-6-0-2-lfi-excessive-rights/

Affected products (1)

cpe:2.3:a:harbingergroup:office_player:4.0.6.0.2:*:*:*:*:*:*:*

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