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CVE-2018-20323· NVD / CVE Program· CNA mitre

www/soap/application/MCSoap/Logs.php in MailCleaner Community Edition 2018.08 allows remote attackers to execute arbitrary OS commands.

HighCVSS 8.8 · v3.0—Weaponized No fix recorded

Noroxi analysis

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Published
Mar 21, 2019
Updated
Jun 16, 2026
EPSS
54.5% · 99th percentile
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Report tools

JSON

Action score

51

Plan

Add it to your regular patch cycle.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
16 / 30 · 54.5%

Affected systems

VendorProduct
mailcleanermailcleaner

Affected versions

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

  • mailcleaner mailcleaner2018.08

Same product

mailcleaner: all records

Other highest-scoring records for the same primary product.

  • CVE-2024-3191MailCleaner Email os command injection
    41Plan
  • CVE-2024-3192MailCleaner Admin Interface cross site scripting
    38Monitor
  • CVE-2024-3193MailCleaner Admin Endpoints os command injection
    36Monitor
  • CVE-2019-1010246MailCleaner before c888fbb6aaa7c5f8400f637bcf1cbb844de46cd9 is affected by: Unauthenticated MySQL database password information disclosure.
    30Monitor
  • CVE-2024-3195MailCleaner Admin Endpoints path traversal
    28Monitor
  • CVE-2024-3196MailCleaner SOAP Service dumpConfiguration os command injection
    26Monitor

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

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

  • Metasploit module ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Metasploit moduleexploit/linux/http/mailcleaner_execMailcleaner Remote Code Executionexploit2018-12-19

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.

  1. Metasploit-93 d
  2. Published
  3. TodaySep 30, 2026+2750 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

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

No commit or PR link among the references.

Credits

All researchers

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

No credits in the CNA record.

Variant candidates

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

No nightly-computed relations.

Chain candidates

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

—

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.
  • A low-privileged account is enough.
  • No user action is required.
  • 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
Low
User interaction
None
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:3.0/AV:N/AC:L/PR:L/UI:N/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

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

Fixed

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

ATT&CK techniques

—

Change log

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

All records