Is there a public PoC exploit available for EUVD-2018-21815?

Yes, a public proof-of-concept exploit is available for EUVD-2018-21815. Prioritise patching immediately. EPSS: 0.0%.

Observerip Scan Tool EUVD-2018-21815

Q: What is the CVSS score of EUVD-2018-21815?

EUVD-2018-21815 has a CVSS 4.0 base score of 6.9 (Medium). CVSS vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

| CVE-2018-25295 MEDIUM

Memory Allocation with Excessive Size Value (CWE-789)

2026-04-26 VulnCheck

Denial Of Service Observerip Scan Tool

6.9

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

6.9 MEDIUM

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

PoC Detected

Apr 27, 2026 - 18:53 vuln.today

Public exploit code

CVSS changed

Apr 26, 2026 - 22:22 NVD

6.2 (MEDIUM) 6.9 (MEDIUM)

EUVD ID Assigned

Apr 26, 2026 - 13:30 euvd

EUVD-2018-21815

CVE Published

Apr 26, 2026 - 13:19 nvd

MEDIUM 6.9

DescriptionCVE.org

ObserverIP Scan Tool 1.4.0.1 contains a denial of service vulnerability that allows local attackers to crash the application by submitting an excessively long string in the IP input field. Attackers can paste a 2000-byte buffer of repeated characters into the IP field and trigger a search operation to cause an application crash.

AnalysisAI

ObserverIP Scan Tool 1.4.0.1 contains a denial of service vulnerability that allows local attackers to crash the application by submitting an excessively long string in the IP input field. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-789. ObserverIP Scan Tool 1.4.0.1 contains a denial of service vulnerability that allows local attackers to crash the application by submitting an excessively long string in the IP input field. Attackers can paste a 2000-byte buffer of repeated characters into the IP field and trigger a search operation to cause an application crash. Affected products include: P10 Observerip Scan Tool.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.