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Public proof of conceptFix available

CVE-2023-26035

A public proof of concept exists; no exploitation attested.

  • Published2023-02-25
  • Fixed in1.37.33 · 1.36.33
  • WeaknessCWE-862

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2023-02-2502:15CVE publishedNVD

Versions per branch

NVD
Zoneminder
BranchAffectedFixed in
1.37≥ 1.37.00, < 1.37.331.37.33
1.36< 1.36.331.36.33

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • zoneminderUbuntu:Pro:22.04:LTSall versions · no fixed version listed
  • zoneminderUbuntu:Pro:20.04:LTSall versions · no fixed version listed
  • zoneminderUbuntu:Pro:16.04:LTSall versions · no fixed version listed
  • zoneminderUbuntu:26.10all versions · no fixed version listed
  • zoneminderUbuntu:26.04:LTSall versions · no fixed version listed
  • zoneminderUbuntu:25.10all versions · no fixed version listed
  • zoneminderUbuntu:24.04:LTSall versions · no fixed version listed
  • zoneminderDebian:14all versions · fixed in 1.36.33+dfsg1-1

11 more package ranges on OSV.dev

Full record on NVD

Fix

  1. Update Zoneminder to 1.37.33 · 1.36.33

Advisories and patches

Detection

read 2026-11-01 01:02 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
1 moduleexploit/unix/webapp/zoneminder_snapshotsrank: excellentModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2023-02-25
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2023-26035?

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.

Is CVE-2023-26035 actively exploited?

Active exploitation of CVE-2023-26035 has not been confirmed. Its EPSS score was 80.5% on 2026-11-04, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-26035?

CVE-2023-26035 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record