NVD / CVE Program· CNA VulDB

CVE-2024-3193: MailCleaner Admin Endpoints os command injection

Noroxi assessment

Priority: Monitor (action score 36/100)

The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
Probability of exploitation in the next 30 days: 4.2% (FIRST EPSS); higher than 91% of all records.
Anyone who can reach it over the internet can trigger it. No account or password is required. A user must open a link or visit a page. No special conditions are required; it is repeatable.
No fixed version is recorded, but the references include a patch (commit or PR) link.

Low priority for now. See the fix and affected versions sections below.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

A vulnerability has been found in MailCleaner up to 2023.03.14 and classified as critical. Affected by this vulnerability is an unknown functionality of the component Admin Endpoints. The manipulation leads to os command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue. The identifier VDB-262309 was assigned to this vulnerability.

HighCVSS 8.8 · v3.1—No exploit No fix recorded

Published: Apr 29, 2024
Updated: Jun 17, 2026
EPSS: 4.2% · 91th percentile
CWE: CWE-78

Report tools

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Action score

Monitor

Low priority for now.

CVSS: 35 / 40 · 8.8 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 1 / 30 · 4.2%

CISA SSVC decision

Exploitation: none
Automatable: no
Technical impact: total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD: 8.8
CNA · VulDB: 8.8; agree

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

Not in KEV: no record of exploitation in the wild
No public exploit code on record
No fixed version yet

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

Vendor	Product	CPE
mailcleaner	mailcleaner	cpe:2.3:a:mailcleaner:mailcleaner

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

mailcleaner mailcleanerup to 2023.03.14 inclusive

Versions reported by the vendor

Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.

n/a MailCleaner
- 2023.03.0, 2023.03.1, 2023.03.2, 2023.03.3, 2023.03.4, 2023.03.5, 2023.03.6, 2023.03.7, 2023.03.8, 2023.03.9, 2023.03.10, 2023.03.11 … (+3)affected

Same product

mailcleaner: all records

Other highest-scoring records for the same primary product.

CVE-2018-20323www/soap/application/MCSoap/Logs.php in MailCleaner Community Edition 2018.08 allows remote attackers to execute arbitrary OS commands.
51Plan
CVE-2024-3191MailCleaner Email os command injection
41Plan
CVE-2024-3192MailCleaner Admin Interface cross site scripting
38Monitor

Published before and after this one in the same product

← EarlierCVE-2018-18635Oct 24, 2018 · www/guis/admin/application/controllers/UserController.php in the administration login interface in MailCleaner CE 2018.08 and 2018.09 allows
24Monitor
← EarlierCVE-2019-1010246Jul 18, 2019 · MailCleaner before c888fbb6aaa7c5f8400f637bcf1cbb844de46cd9 is affected by: Unauthenticated MySQL database password information disclosure.
30Monitor
Later →CVE-2024-3194Apr 29, 2024 · MailCleaner Log File Endpoint cross site scripting
24Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

No history yet (it accumulates with the daily EPSS job).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

MailCleaner/MailCleanerPR 601

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Michael Imfeldfinder
Pascal Zenkerfinder

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

CVE-2024-31910 days apartMailCleaner Email os command injection
41Plan
CVE-2024-31960 days apartMailCleaner SOAP Service dumpConfiguration os command injection
26Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

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Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

Anyone who can reach it over the internet can trigger it.
No account or password is required.
A user must open a link or visit a page.
No special conditions are required; it is repeatable.

If successful

Confidentiality: high · data can be read
Integrity: high · data or configuration can be modified
Availability: high · the service can be disrupted

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: Required
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

Weakness class (CWE)

CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSS vector

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

nvd-primary

Root cause

User input is inserted as text into a shell command. The shell may interpret special characters in the input as part of the command.

The bug in code

The whole CWE-78 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

1const host = req.body.host;
2exec("ping -c 1 " + host, onResult);

Fixed

1const host = req.body.host;
2if (!/^[a-z0-9.-]{1,253}$/i.test(host)) return res.sendStatus(400);
3execFile("ping", ["-c", "1", host], onResult);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Attack patterns (CAPEC)

ATT&CK techniques

—

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

modzero.com/en/advisories/mz-24-01-mailcleaner/

Show all references (3 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

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