Cyber Resilience

CVE-2026-32997

High

Published: 28 May 2026

Published
28 May 2026
Modified
29 May 2026
KEV Added
—
Patch
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CVSS Score v4 8.6 CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0051 39.9th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-32997 is a high-severity Absolute Path Traversal (CWE-36) vulnerability in Veeam Backup (inferred from references). Its CVSS base score is 8.6 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Cron (T1053.003); ranked at the 39.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A01:2025 Broken Access Control

EU & UK References

Vulnerability details

A vulnerability allowing an authenticated user with the Backup Administrator role to write arbitrary files on Linux-based Veeam Backup & Replication server.

CWE(s)
CWE-36

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1053.003 Cron Execution
Adversaries may abuse the <code>cron</code> utility to perform task scheduling for initial or recurring execution of malicious code.
attack.mitre.org →
T1505.003 Web Shell Persistence
Adversaries may backdoor web servers with web shells to establish persistent access to systems.
attack.mitre.org →
T1543.002 Systemd Service Persistence
Adversaries may create or modify systemd services to repeatedly execute malicious payloads as part of persistence.
attack.mitre.org →
Why these techniques?

Arbitrary file write via path traversal on Linux server directly enables writing cron jobs, systemd services, or web shells for persistence/execution.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

Affected Assets

Veeam
Backup
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References