What is the CVSS score of CVE-2020-15851?

CVE-2020-15851 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%.

Is there a public PoC exploit available for CVE-2020-15851?

Yes, a public proof-of-concept exploit is available for CVE-2020-15851. Prioritise patching immediately. EPSS: 1.5%.

Backup Replication Transporter CVE-2020-15851

CRITICAL

Missing Authentication for Critical Function (CWE-306)

2020-09-24 cve@mitre.org

Authentication Bypass Backup Replication Transporter

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

Sep 24, 2020 - 21:15 nvd

CRITICAL 9.8

DescriptionNVD

Lack of access control in Nakivo Backup & Replication Transporter version 9.4.0.r43656 allows remote users to access unencrypted backup repositories and the Nakivo Controller configuration via a network accessible transporter service. It is also possible to create or delete backup repositories.

AnalysisAI

Lack of access control in Nakivo Backup & Replication Transporter version 9.4.0.r43656 allows remote users to access unencrypted backup repositories and the Nakivo Controller configuration via a. 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 Authentication for Critical Function (CWE-306), which allows attackers to access critical functionality without authentication. Lack of access control in Nakivo Backup & Replication Transporter version 9.4.0.r43656 allows remote users to access unencrypted backup repositories and the Nakivo Controller configuration via a network accessible transporter service. It is also possible to create or delete backup repositories. Affected products include: Nakivo Backup \& Replication Transporter. Version information: version 9.4.0..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Require authentication for all sensitive operations, implement defense in depth.