What is the CVSS score of CVE-2018-18861?

CVE-2018-18861 has a CVSS 3.0 base score of 9.8 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 4.5%.

Is there a public PoC exploit available for CVE-2018-18861?

Yes, a public proof-of-concept exploit is available for CVE-2018-18861. Prioritise patching immediately. EPSS: 4.5%.

Pcman Ftp Server CVE-2018-18861

CRITICAL

Buffer Overflow (CWE-119)

2018-11-20 cve@mitre.org

RCE Buffer Overflow Pcman Ftp Server

9.8

CVSS 3.0 · 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:3.0/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 20, 2018 - 19:29 nvd

CRITICAL 9.8

DescriptionNVD

Buffer overflow in PCMan FTP Server 2.0.7 allows for remote code execution via the APPE command.

AnalysisAI

Buffer overflow in PCMan FTP Server 2.0.7 allows for remote code execution via the APPE command. 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 Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. Buffer overflow in PCMan FTP Server 2.0.7 allows for remote code execution via the APPE command. Affected products include: Pcman Ftp Server Project Pcman Ftp Server.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.