What is the CVSS score of CVE-2019-18655?

CVE-2019-18655 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 14.7%.

Is there a public PoC exploit available for CVE-2019-18655?

Yes, a public proof-of-concept exploit is available for CVE-2019-18655. Prioritise patching immediately. EPSS: 14.7%.

File Sharing Wizard CVE-2019-18655

CRITICAL

Out-of-bounds Write (CWE-787)

2019-11-12 cve@mitre.org

Buffer Overflow Memory Corruption File Sharing Wizard

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Nov 12, 2019 - 17:15 nvd

CRITICAL 9.8

DescriptionNVD

File Sharing Wizard version 1.5.0 build 2008 is affected by a Structured Exception Handler based buffer overflow vulnerability. An unauthenticated attacker is able to perform remote command execution and obtain a command shell by sending a HTTP GET request including the malicious payload in the URL. A similar issue to CVE-2019-17415, CVE-2019-16724, and CVE-2010-2331.

AnalysisAI

File Sharing Wizard version 1.5.0 build 2008 is affected by a Structured Exception Handler based buffer overflow vulnerability. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. File Sharing Wizard version 1.5.0 build 2008 is affected by a Structured Exception Handler based buffer overflow vulnerability. An unauthenticated attacker is able to perform remote command execution and obtain a command shell by sending a HTTP GET request including the malicious payload in the URL. A similar issue to CVE-2019-17415, CVE-2019-16724, and CVE-2010-2331. Affected products include: Upredsun File Sharing Wizard. Version information: version 1.5.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).