CVE-2023-31493: RCE (Remote Code Execution) exists in ZoneMinder through 1.36.33 as an attacker can create a new .php log file

Q: How do I fix CVE-2023-31493?

zoneminder: upgrade to newer than 1.36.33. Exact commands for each OS are on this page.

Q: Is CVE-2023-31493 being exploited?

CVE-2023-31493 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-31493 affect?

CVE-2023-31493 affects zoneminder. Severity is medium (CVSS 6.6). RCE (Remote Code Execution) exists in ZoneMinder through 1.36.33 as an attacker can create a new .php log file in language folder, while executing a crafted payload and escalate privileges allowing execution of any commands on the remote sy

Q: How urgent is CVE-2023-31493?

Priority 34/100. No elevated risk signals yet.

Routine

MEDIUM 6.6UPGRADE

CVE-2023-31493 is a medium-severity flaw (CVSS 6.6) affecting zoneminder. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

RCE (Remote Code Execution) exists in ZoneMinder through 1.36.33 as an attacker can create a new .php log file in language folder, while executing a crafted payload and escalate privileges allowing execution of any commands on the remote system.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.6 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-94
Published	2024-10-15
Last modified	2026-07-05

Publisher (CNA): MITRE · Vendor: zoneminder

Last updated 2026-07-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-10-15 15:15 UTCPublished CVE record published
2026-07-05 01:18 UTCUpdated Record last modified

zoneminder zoneminder UPGRADE

Affected: <= 1.36.33

Fixed in: newer than 1.36.33

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy zoneminder || rpm -q zoneminder || zoneminder --version

2. UPGRADE to newer than 1.36.33 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade zoneminder

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade zoneminder

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-31493?

zoneminder: upgrade to newer than 1.36.33. Exact commands for each OS are on this page.

Is CVE-2023-31493 being exploited?

CVE-2023-31493 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-31493 affect?

CVE-2023-31493 affects zoneminder. Severity is medium (CVSS 6.6). RCE (Remote Code Execution) exists in ZoneMinder through 1.36.33 as an attacker can create a new .php log file in language folder, while executing a crafted payload and escalate privileges allowing execution of any commands on the remote sy

How urgent is CVE-2023-31493?

Priority 34/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-27470 HIGH 8.8 UPGRADE ZoneMinder is a free, open source closed-circuit television software application
CVE-2025-65791 CRITICAL 9.8 DOWNGRADE ZoneMinder v1.36.34 is vulnerable to Command Injection in web/views/image.php
CVE-2024-43360 CRITICAL 9.8 UPGRADE ZoneMinder is a free, open source closed-circuit television software application
CVE-2024-43359 NONE 0.0 UPGRADE ZoneMinder is a free, open source closed-circuit television software application
CVE-2024-43358 MEDIUM 6.1 UPGRADE ZoneMinder is a free, open source closed-circuit television software application

References

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