Veeam Backup & Replication Cloud Connect Missing Authentication for Critical Function Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

HIGH

7.5 / 10

Minimal Risk Critical

Vector Specification

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

Exploitation Likelihood

EPSS Prediction

84.23 %

Predictive Probability

Percentile Rank

99.3 th

Documented as more likely to be exploited than 99.3% of known CVEs.

Detection Date

Aug 22, 2023

Remediation Due

Sep 12, 2023

CISA Catalog Active

Threat Analysis

Veeam Backup & Replication Cloud Connect component contains a missing authentication for critical function vulnerability that allows an unauthenticated user operating within the backup infrastructure network perimeter to obtain encrypted credentials stored in the configuration database. This may lead to an attacker gaining access to the backup infrastructure hosts.

Remediation Directive

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

External Intelligence

https://www.veeam.com/kb4424

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2023-27532