THREATPORT/VULNERABILITY/CVE-2018-18703
HIGH SEVERITY

CVE-2018-18703

Mailing Server Using File Handling vulnerability

CVSS
7.5
EPSS
4.1%
EPSS pct
90th
Exploited
No known
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.
Affected vendor
Phptpoint
Affected product
Mailing Server Using File Handling
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness type (CWE)
Published
2018-10-29

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 high impact to confidentiality.

Its EPSS score of 4.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2018-18703

  • Confirm whether Phptpoint Mailing Server Using File Handling is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-18703.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-18703

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-18703 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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