How severe is CVE-2018-19365?

CVE-2018-19365 has a CVSS 3.x base score of 9.1, rated critical 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 high.

Is CVE-2018-19365 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-19365?

CVE-2018-19365 affects Wowza Streaming Engine. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-19365?

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

When was CVE-2018-19365 published?

CVE-2018-19365 was published on 2019-03-21 and last updated on 2026-06-17.

CVE-2018-19365

CVE-2018-19365 is a critical-severity vulnerability in Wowza Streaming Engine with a CVSS 3.x base score of 9.1. Its EPSS exploit-prediction score of 22% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.4
EPSS exploit prediction: 22% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Wowza Streaming Engine
Published: 2019-03-21
Last modified: 2026-06-17

Description

The REST API in Wowza Streaming Engine 4.7.4.01 allows traversal of the directory structure and retrieval of a file via a remote, specifically crafted HTTP request.

Frequently asked questions

What is CVE-2018-19365?: The REST API in Wowza Streaming Engine 4.7.4.01 allows traversal of the directory structure and retrieval of a file via a remote, specifically crafted HTTP request.
How severe is CVE-2018-19365?: CVE-2018-19365 has a CVSS 3.x base score of 9.1, rated critical 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 high.
Is CVE-2018-19365 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-19365?: CVE-2018-19365 affects Wowza Streaming Engine. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-19365?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-19365 published?: CVE-2018-19365 was published on 2019-03-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wowza:streaming_engine:4.7.4.0.1:*:*:*:*:*:*:*

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CVE-2016-20034 — High (CVSS 8.8): Wowza Streaming Engine 4.5.0 contains a privilege escalation vulnerability that allows authenticated read-only users to…
CVE-2020-9004 — High (CVSS 8.8): A remote authenticated authorization-bypass vulnerability in Wowza Streaming Engine 4.8.0 and earlier allows any…
CVE-2021-35491 — High (CVSS 8.1): A Cross-Site Request Forgery (CSRF) vulnerability in Wowza Streaming Engine through 4.8.11+5 allows a remote attacker…
CVE-2016-20033 — High (CVSS 7.8): Wowza Streaming Engine 4.5.0 contains a local privilege escalation vulnerability that allows authenticated users to…

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