What is the CVSS score of CVE-2021-27573?

CVE-2021-27573 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: 14.2%.

Is there a public PoC exploit available for CVE-2021-27573?

Yes, a public proof-of-concept exploit is available for CVE-2021-27573. Prioritise patching immediately. EPSS: 14.2%.

Emote Remote Mouse CVE-2021-27573

CRITICAL

Missing Authorization (CWE-862)

2021-05-07 cve@mitre.org

RCE Authentication Bypass Emote Remote Mouse

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

May 07, 2021 - 19:31 nvd

CRITICAL 9.8

DescriptionNVD

An issue was discovered in Emote Remote Mouse through 4.0.0.0. Remote unauthenticated users can execute arbitrary code via crafted UDP packets with no prior authorization or authentication.

AnalysisAI

An issue was discovered in Emote Remote Mouse through 4.0.0.0. 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 Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. An issue was discovered in Emote Remote Mouse through 4.0.0.0. Remote unauthenticated users can execute arbitrary code via crafted UDP packets with no prior authorization or authentication. Affected products include: Remotemouse Emote Remote Mouse. Version information: through 4.0.0.0..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.