How severe is CVE-2019-19455?

CVE-2019-19455 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-19455 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-19455?

CVE-2019-19455 affects Wowza Streaming Engine. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-19455?

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-2019-19455 published?

CVE-2019-19455 was published on 2020-08-03 and last updated on 2026-06-17.

CVE-2019-19455

CVE-2019-19455 is a high-severity vulnerability in Wowza Streaming Engine with a CVSS 3.x base score of 7.8. 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-732.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Wowza Streaming Engine
Published: 2020-08-03
Last modified: 2026-06-17

Description

Wowza Streaming Engine before 4.8.5 has Insecure Permissions which may allow a local attacker to escalate privileges in / usr / local / WowzaStreamingEngine / manager / bin / in the Linux version of the server by writing arbitrary commands in any file and execute them as root. This issue was resolved in Wowza Streaming Engine 4.8.5.

Frequently asked questions

What is CVE-2019-19455?: Wowza Streaming Engine before 4.8.5 has Insecure Permissions which may allow a local attacker to escalate privileges in / usr / local / WowzaStreamingEngine / manager / bin / in the Linux version of the server by writing arbitrary commands in any file and execute them as root. This issue was resolved in Wowza Streaming Engine 4.8.5.
How severe is CVE-2019-19455?: CVE-2019-19455 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-19455 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-19455?: CVE-2019-19455 affects Wowza Streaming Engine. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-19455?: 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-2019-19455 published?: CVE-2019-19455 was published on 2020-08-03 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Wowza Streaming Engine

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CVE-2018-19365 — Critical (CVSS 9.1): The REST API in Wowza Streaming Engine 4.7.4.01 allows traversal of the directory structure and retrieval of a file via…
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…

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