CVE-2023-26035

Zoneminder vulnerability

CVSS

7.2

EPSS

80.5%

EPSS pct

100th

Exploited

No known

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 vendor

Zoneminder

Affected product

Zoneminder

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Weakness type (CWE)

CWE-862 — Missing Authorization

Published

2023-02-25

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity.

Its EPSS score of 80.5% reflects a high probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2023-26035

Confirm whether Zoneminder Zoneminder is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2023-26035.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-26035

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2023-26035 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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