What is the CVSS score of CVE-2019-3955?

CVE-2019-3955 has a CVSS 3.0 base score of 7.5 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 19.1%.

Is there a public PoC exploit available for CVE-2019-3955?

Yes, a public proof-of-concept exploit is available for CVE-2019-3955. Prioritise patching immediately. EPSS: 19.1%.

Remote Mini Control CVE-2019-3955

HIGH

Out-of-bounds Write (CWE-787)

2019-06-07 vulnreport@tenable.com

Denial Of Service Buffer Overflow Memory Corruption Remote Mini Control

7.5

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Jun 07, 2019 - 20:29 nvd

HIGH 7.5

DescriptionNVD

Dameware Remote Mini Control version 12.1.0.34 and prior contains a unauthenticated remote heap overflow due to the server not properly validating RsaPubKeyLen during key negotiation. An unauthenticated remote attacker can cause a heap buffer overflow by specifying a large RsaPubKeyLen, which could cause a denial of service.

AnalysisAI

Dameware Remote Mini Control version 12.1.0.34 and prior contains a unauthenticated remote heap overflow due to the server not properly validating RsaPubKeyLen during key negotiation. Rated high severity (CVSS 7.5), 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. Dameware Remote Mini Control version 12.1.0.34 and prior contains a unauthenticated remote heap overflow due to the server not properly validating RsaPubKeyLen during key negotiation. An unauthenticated remote attacker can cause a heap buffer overflow by specifying a large RsaPubKeyLen, which could cause a denial of service. Affected products include: Dameware Remote Mini Control. Version information: version 12.1.0.34.

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).