What is the CVSS score of CVE-2019-18820?

CVE-2019-18820 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.4%.

Is there a public PoC exploit available for CVE-2019-18820?

Yes, a public proof-of-concept exploit is available for CVE-2019-18820. Prioritise patching immediately. EPSS: 0.4%.

Logo Designer CVE-2019-18820

MEDIUM

Out-of-bounds Write (CWE-787)

2019-11-07 cve@mitre.org

Buffer Overflow Memory Corruption Logo Designer

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Nov 07, 2019 - 21:15 nvd

MEDIUM 5.5

DescriptionNVD

Eximious Logo Designer 3.82 has Heap Corruption starting at ntdll!RtlpNtMakeTemporaryKey+0x0000000000001a78.

AnalysisAI

Eximious Logo Designer 3.82 has Heap Corruption starting at ntdll!RtlpNtMakeTemporaryKey+0x0000000000001a78. Rated medium severity (CVSS 5.5), this vulnerability is 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. Eximious Logo Designer 3.82 has Heap Corruption starting at ntdll!RtlpNtMakeTemporaryKey+0x0000000000001a78. Affected products include: Eximioussoft Logo Designer.

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).