CVE-2018-18703
CVE-2018-18703 is a high-severity vulnerability in Phptpoint Mailing Server Using File Handling with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 4% (89th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Phptpoint Mailing Server Using File Handling
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2018-18703?
- 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.
- How severe is CVE-2018-18703?
- CVE-2018-18703 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2018-18703 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-18703?
- CVE-2018-18703 affects Phptpoint Mailing Server Using File Handling. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-18703?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2018-18703 published?
- CVE-2018-18703 was published on 2018-10-29 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:phptpoint:mailing_server_using_file_handling:1.0:*:*:*:*:*:*:*
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