HOMEVULNERABILITIESCVE-2018-18703
HIGH

CVE-2018-18703

CWE-22Published: October 29, 2018· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

PhpTpoint Mailing Server Using File Handling 1.0 suffers from multiple Arbitrary File Read vulnerabilities in different sections that allow an attacker to read sensitive files on the system via directory traversal, bypassing the login page, as demonstrated by the Mailserver_filesystem/home.php coninb, consent, contrsh, condrft, or conspam parameter.

NVD Source

Technical Analysis

CVE-2018-18703 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

phptpoint1 product(s)
mailing server using file handling
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

ADVISORYhttps://packetstormsecurity.com/files/149965/PHPTPoint-Mailing-Server-Using-File-Handling-1.0-Arbitrary-File-Read.html
ADVISORYhttps://packetstormsecurity.com/files/149965/PHPTPoint-Mailing-Server-Using-File-Handling-1.0-Arbitrary-File-Read.html

All References (2)

→
https://packetstormsecurity.com/files/149965/PHPTPoint-Mailing-Server-Using-File-Handling-1.0-Arbitrary-File-Read.htmlExploit · Third Party Advisory · VDB Entry
→
https://packetstormsecurity.com/files/149965/PHPTPoint-Mailing-Server-Using-File-Handling-1.0-Arbitrary-File-Read.htmlExploit · Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2018-18703
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-22
CISA KEVNo
Affected1 vendor(s)
PublishedOct 29, 2018

Related CVEs (CWE-22)

CVE-2008-4489
10.0
CVE-2008-2403
10.0
CVE-2008-3150
10.0
CVE-2008-2241
10.0
CVE-2008-0405
10.0
CVE-2008-4526
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-18703 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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