CVE-2018-18912
CVE-2018-18912 is a critical-severity vulnerability in Sharing-file Easy File Sharing Web Server with a CVSS 3.x base score of 9.8. 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-787.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 3% (88th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Sharing-file Easy File Sharing Web Server
- Published:
- Last modified:
Description
An issue was discovered in Easy File Sharing (EFS) Web Server 7.2. A stack-based buffer overflow vulnerability occurs when a malicious POST request has been made to forum.ghp upon creating a new topic in the forums, which allows remote attackers to execute arbitrary code.
Frequently asked questions
- What is CVE-2018-18912?
- An issue was discovered in Easy File Sharing (EFS) Web Server 7.2. A stack-based buffer overflow vulnerability occurs when a malicious POST request has been made to forum.ghp upon creating a new topic in the forums, which allows remote attackers to execute arbitrary code.
- How severe is CVE-2018-18912?
- CVE-2018-18912 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-18912 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-18912?
- CVE-2018-18912 affects Sharing-file Easy File Sharing Web Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-18912?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2018-18912 published?
- CVE-2018-18912 was published on 2019-05-13 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:sharing-file:easy_file_sharing_web_server:7.2:*:*:*:*:*:*:*
More vulnerabilities in Sharing-file Easy File Sharing Web Server
- CVE-2018-9059 — Critical (CVSS 9.8): Stack-based buffer overflow in Easy File Sharing (EFS) Web Server 7.2 allows remote attackers to execute arbitrary code…
- CVE-2009-4809 — Medium (CVSS 5.0): Directory traversal vulnerability in thumbnail.ghp in Easy File Sharing (EFS) Web Server 4.8 allows remote attackers to…
All CVEs affecting Sharing-file Easy File Sharing Web Server →
Other CWE-787 (Out-of-bounds Write) vulnerabilities
- CVE-2026-42369 — Critical (CVSS 10.0): GV-VMS V20 is a Video Monitoring Software used to gather the feeds of many surveillance cameras and manage other…
- CVE-2026-4746 — Critical (CVSS 10.0): Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src modules). This vulnerability is…
- CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
- CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
- CVE-2024-42479 — Critical (CVSS 10.0): llama.cpp provides LLM inference in C/C++. The unsafe `data` pointer member in the `rpc_tensor` structure can cause…
- CVE-2024-39791 — Critical (CVSS 10.0): Stack-based buffer overflow vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…