CVE-2023-26035
CriticalPublic exploitVersions prior to 1.36.33 and 1.37.33 are vulnerable to Unauthenticated Remote Code Execution via Missing Authorization.
Published Feb 25, 2023 · Updated Aug 12, 2026 · Also known as DEBIAN-CVE-2023-26035, GHSA-72rg-h4vf-29gr, UBUNTU-CVE-2023-26035
Key Facts
Patch immediately- CVE-2023-26035 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Zoneminder.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 80% probability of exploitation in the next 30 days.
- Fixed versions are available, including Zoneminder 1.36.33-r0, Zoneminder 1.36.33+dfsg1-1, Zoneminder 1.36.33.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
80%
Higher than 99.6% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2023-26035 brief as a PDF
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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 are vulnerable to Unauthenticated Remote Code Execution via Missing Authorization. There are no permissions check on the snapshot action, which expects an id to fetch an existing monitor but can be passed an object to create a new one instead. TriggerOn ends up calling shell_exec using the supplied Id. This issue is fixed in This issue is fixed in versions 1.36.33 and 1.37.33.
Affected Products
35 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| ZoneminderZoneminder | >= < 1.36.33 | 1.36.33 |
Patched Releases
Zoneminder
1.36.33-r0, 1.36.33+dfsg1-1, 1.36.33
Timeline
Publicly disclosed
Feb 25, 2023
Last updated
Aug 12, 2026
Weakness Type
- CWE-862 Missing Authorization
References
- advisoryhttps://github.com/CVEProject/cvelistV5/tree/main/cves/2023/26xxx/CVE-2023-26035.json
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2023-26035
- advisoryhttps://security-tracker.debian.org/tracker/CVE-2023-26035
- advisoryhttps://ubuntu.com/security/CVE-2023-26035
- advisoryhttps://www.cve.org/CVERecord?id=CVE-2023-26035
FAQ
Common Questions.
ZoneMinder is a free, open source Closed-circuit television software application for Linux which supports IP, USB and Analog cameras.
Affected: Zoneminder versions >= < 1.36.33. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Zoneminder 1.36.33-r0, Zoneminder 1.36.33+dfsg1-1, Zoneminder 1.36.33.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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