How severe is CVE-2023-26039?

CVE-2023-26039 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability none.

Is CVE-2023-26039 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26039?

CVE-2023-26039 affects Zoneminder. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26039?

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-2023-26039 published?

CVE-2023-26039 was published on 2023-02-25 and last updated on 2026-06-17.

CVE-2023-26039

CVE-2023-26039 is a high-severity vulnerability in Zoneminder with a CVSS 3.x base score of 7.1. 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-78.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Zoneminder
Published: 2023-02-25
Last modified: 2026-06-17

Description

ZoneMinder is a free, open source Closed-circuit television software application for Linux which supports IP, USB and Analog cameras. Versions prior to 1.36.33 and 1.37.33 contain an OS Command Injection via daemonControl() in (/web/api/app/Controller/HostController.php). Any authenticated user can construct an api command to execute any shell command as the web user. This issue is patched in versions 1.36.33 and 1.37.33.

Frequently asked questions

What is CVE-2023-26039?: ZoneMinder is a free, open source Closed-circuit television software application for Linux which supports IP, USB and Analog cameras. Versions prior to 1.36.33 and 1.37.33 contain an OS Command Injection via daemonControl() in (/web/api/app/Controller/HostController.php). Any authenticated user can construct an api command to execute any shell command as the web user. This issue is patched in versions 1.36.33 and 1.37.33.
How severe is CVE-2023-26039?: CVE-2023-26039 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability none.
Is CVE-2023-26039 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26039?: CVE-2023-26039 affects Zoneminder. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26039?: 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-2023-26039 published?: CVE-2023-26039 was published on 2023-02-25 and last updated on 2026-06-17.

References

https://github.com/ZoneMinder/zoneminder/security/advisories/GHSA-44q8-h2pw-cc9g

Affected products (1)

cpe:2.3:a:zoneminder:zoneminder:*:*:*:*:*:*:*:*

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