CVE-2026-21708

CRITICAL
2026-03-12 [email protected]
9.9
CVSS 3.1
Share

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 19:57 vuln.today
CVE Published
Mar 12, 2026 - 17:16 nvd
CRITICAL 9.9

Tags

PostgreSQL RCE

Description

A vulnerability allowing a Backup Viewer to perform remote code execution (RCE) as the postgres user.

Analysis

Veeam Backup & Replication allows a user with the Backup Viewer role (read-only) to escalate to remote code execution as the postgres database user. A read-only role achieving RCE represents a severe privilege escalation with scope change.

Sign in for full analysis, threat intelligence, and remediation guidance.

Remediation

Within 24 hours: Identify all systems running vulnerable Backup Viewer versions and isolate them from production networks if possible; disable remote access to Backup Viewer if not operationally required. Within 7 days: Implement network segmentation to restrict Backup Viewer access to authorized administrators only; enable comprehensive logging and monitoring for all Backup Viewer activities; conduct forensic review of backup viewer logs for signs of compromise. …

Sign in for detailed remediation steps.

Full analysis requires sign-in

Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

Sign in - Free

Priority Score

50
Low Medium High Critical
KEV: 0
EPSS: +0.5
CVSS: +50
POC: 0

Share

CVE-2026-21708 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy