What is the CVSS score of CVE-2021-27664?

CVE-2021-27664 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: 1.5%.

Exacqvision Web Service CVE-2021-27664

CRITICAL

Improper Privilege Management (CWE-269)

2021-10-11 productsecurity@jci.com

Privilege Escalation Exacqvision Web Service

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

Oct 11, 2021 - 16:15 nvd

CRITICAL 9.8

DescriptionNVD

Under certain configurations an unauthenticated remote user could be given access to credentials stored in the exacqVision Server.

AnalysisAI

Under certain configurations an unauthenticated remote user could be given access to credentials stored in the exacqVision Server. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Improper Privilege Management (CWE-269), which allows attackers to escalate privileges to gain unauthorized elevated access. Under certain configurations an unauthenticated remote user could be given access to credentials stored in the exacqVision Server. Affected products include: Johnsoncontrols Exacqvision Web Service.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply principle of least privilege, validate privilege transitions, implement proper role separation.